Dang Bai Tap Vo Co Trong de Thi Dai Hoc

7/26/2019 Dang Bai Tap Vo Co Trong de Thi Dai Hoc

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1.DNG BI TP : KIM LOI TC DNG VI AXT KHNG C TNH XI-HO GC AXT. A!"# HC$% H&'O($)*+,.C+, #/0 #"+ 234.

'5 67+, 89) #)+ )$ ;$;0#.Ho tan hon ton m gam hh + $#m lo6# ng tr1c H2trong d;3 ho63 D.,4*C=2 (.Cho ,*+ gam hh + $#mlo6# Mg, Al, .n 0o dd HCl d, th3 tho-t ra 44" ml $h% $tc& C5c6n dd sau phn ng s@ thu c cht rn c7 $h(# lng l)A.2,24 gam B.,*+ C.2,2> D.2,>*C=2 ?.Cho ,=4 gam hh 2 $#m lo6# ho tan trong dd H2B4lo;ng,d th3 tho-t ra =,!2 l%t $h%$tc& 'h(# lng mu(# $han sunD-t thu c l)

A.+,>2 gam B.,>! C.+,*2 D.*,""C=2 @.Cho m gam hh 2 $#m lo6# tan hon ton trong dd H2B4lo;ng d, th3 c7 =,++! l%t $h%tho-t ra $tc& 'h(# lng mu(# sunD-t $han thu c l ,>! gam & E%nh m&A.=,*2 B.,4* C.2,2 D.,>!C=2 .G ho tan hon ton ,>+ gam hh gm Fe 0 Al cIn 2== ml dd HCl nng J KM, thuc dd A.C5 c6n dd A, thu c !,*4* gam hh 2 mu(# $han& 8#- tr9 c:a K l)A.=,+ B.=,=2! C.=,!* D.,+

V4 !"# HC$: 234 E4 $)F4 1. 3 )$E" H &

V4 !"# H&'O(lo;ngJ: 234 E4 $)F4 @. 3 )$E" H&.

L'3 )$ ;++, L3 )$ ;++.+KL.+;+2+, &.+H4


2/22

C=2 .Ho tan hon ton 2= gam gm Fe, Mg NOng *== ml dd HCl 2M 0Pa :, thu c ddQ& Cho dd Q t-c d/ng 01# dd RaH d, l.Ho tan hon ton ,!4 gam hh A) Al, Fe trong 2*=ml dd HCl M c dd A2& Eh\m== gam dd RaH 2X 0o A2, sau phn ng K3 ra hon ton, l,*2 B.=,2 C.",>" D.,2*1.CR-A.Q& Ho tan hon ton hh gm Fe, Mg NOng lng 0Pa : dd HCl 2=X, thu cdd Q& Rng J c:a FeCl2trong dd Q l *,!X& Rng J X c:a MgCl2trong dd Q l)A.24&,24X B.,>X C.2",2X D.*,!X1RH-A.QJ.Ho tan *,!gam Fe NOng dd H2B4lo;ng,d& Ehu c dd & ung d9ch phnng 0Pa : 01# ml dd 'Mn4=,*M& 8#- tr9 c:a l)
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3/22

A."= B.4= C.2= D.!=1. RH-A.Q J.Cho m gam hh Mg, Al 0o 2*= ml dd cha hh 2 aK#t HCl M, H2B4=,*M thuc *,+2 l%t $h% f $tc 0 dd Q co# thG t%ch dd $h5ng U#& ung d9ch Q c7 pH l)A. B.! C. D.2&Q.CR-B.QJ.Cho m gam hh Al, Cu 0o dd HCl d, sau $h# $t thc phn ng s#nh ra +,+! l%t

$h% H2$tc& Ru cho m gam hh tr\n 0o lng d aK#t HR+ic, nguJ#, sau $h# phn ng $tthc s#nh ra !,2 l%t $h% R2sn phjm $h du3 nht, f $tc& 8#- tr9 c:a m l)A.,* B.=,* C.2,+ D.*,!&1.CR-A%B.QJ. l $#m lo6# nh7m kkA.Cho , gam hh $#m lo6# 0 .n t-c d/ng 01# lngd dd HCl, s#nh ra =,!2 l#t $h% H2$tc& Mit $h-c, $h# cho ,> gam t-c d/ng 01# lng d ddH2B4lo;ng th] thG t%ch $h% H2s#nh ra cha n ,2 l#t $tc& '#m lo6# l)A.Ya B.Ca C.Br D.Mg&&. CR-A%B.QJ.Cho+,* gam hh Al, Cr, Fe t-c d/ng 01# lng d dd H2B4lo;ng n7ngtrong$ $h5ng c7 $h5ng $h%, thu c dd 0 ,"4 l%t H2$tc& C5 c6n dd trong $ $h5ng c7

$h5ng $h% m gam mu(# $han& 8#- tr9 c:a m l)A.4"," B.42,! C.4, D.4*,*&>. RH-B.QJ.Ho tan m gam Fe, Al 0o dd H2B4 lo;ng d& Bau$ h# c-c phn ng K3 ra honton, thu dd & Cho dd YaH2d 0o dd , thu c $t t:a Q& Rung Q n $h(# lng$h5ng U#, thu c cht rn . l)A.hh gm Al2+0 Fe2+B.hh gm YaB40 Fe24C.hh gm YaB40 Fe D.Fe2+&(. RH-B.Q J.'h# ho tan hon ton =,=2 mol Au NOng n1c cng toan th] s( mol HCl phnng 0 s( mol R sn phjm $h du3 nht t6o thnh lIn lt l)A.=,=+W =,= B.=,=!W =,=2 C.=,=!W =,= D.=,=+W =,=2

&?. RH-A.QJ.Cho +,!" hh Al 0 .n t-c d/ng 01# lng 0Pa : dd H2B4=X thu c 2,24l#t $h% H2$tc& 'h(# lng dd thu c sau phn ng l)A.>,"= gam B.=,4" C."",2 D.=,!"&@. RH-A.QJ.Ho tan hon ton 4,! gam hh gm Al 0 Bn NOng dd HCl d, thu *,! l#t$h% $tc& EhG t%ch $h% 2$tc cIn G phn ng hon ton 01# 4,! gam hh l)A.2," l%t B.+,>2 C.4,4" D.,!"&. RH-A.QJ.Erng hp K3 ra phn ng l)A.Cu HCl B.Cu HCllo;ng 2 C.Cu H2B4lo;ng D.Cu NR+2&. RH- A.1QJ.Cho , gam hh '` $#m thU Q 0 '` $#m t-c d/ng ht 01# lng d ddHCl lo;ng, thu c *,! l#t $h% $tc& '#m lo6# ,Q l)A.', Ya B.', Ca C.Ra, Mg D.`#, Ye&. RH-A.1QJ.Cho K mol Fe tan hon ton trong dd cha 3 mol H2B4t lS K) 3 2) *, thuc sn phjm $h du3 nht 0 dd ch cha mu(# sun ph-t& B( mol e do lng Fe tr\n nhng$h# N9 ho tan l)A.2K B.+K C.3 D.23>Q. RH-A.1QJ.Cho m gam hh NJt gm + $#m lo6# .n, Cr, Bn c7 s( mol NOng nhau t-c d/nght 01# lng d dd HCl lo;ng n7ng thu c dd Q 0 $h% H 2c5 c6n dd Q thu c ",>" gam


4/22

mu(# $han& Ru cho m gam hh t-c d/ng hon ton 01# 2d G t6o hh + 5K#t th] thG t%ch $h%2$tc phn ng l)A.,==" l#t B.=,!2 C.2,=! D.,+44>1. RH-B.1QJ.Ho tan hon ton 2,4* gam hh gm 2 '` $#m thU 0o 2==ml dd HCl ,2*M,thu c dd Q cha c-c cht tan c7 nng J mol NOng nhau& Ha# '` trong l)

A.Mg, Ca B.Ye, Mg C.Mg, Br D.Ye, Ca>&. CR-A.1QJ.Cho ,*! gam hh Al, Al2+phn ng ht 01# dd HCl d thu c l#t $h% H2$tc 0 dd & Rhq tP tP dd RH+n d 0o dd thu dc $t t:a, l(. RH-B.11J.Eh?c h#Sn phn ng nh#St nh5m hh gm m gam Al 0 4,*! gam Cr2+trong^$#Sn $h5ng c7 2, sau $h# phn ng $t thc thu c hh & Cho ton NJ lng 0o dd HCllo;ng,n7ng, sau $h# c-c phn ng K3 ra hon ton, thu c 2,=! l#t H 2$tc&Cn nu cho tanNJ lng 0o lop?ng d dd RaH ic, n7ng, sau $h# phn ng $t thc th] s( mol RaH; phn ng l)A.=,4 B.=,=" C.=,! D.=,=!8##)

m gam Al 4,*! g Cr2+$h5ng c7 2 hh dd HCld 2,=! l%t H2 $tchh dd RaHic, n7ng

8# s p^ K3 ra 0Pa : th] nCr =,=! mol nH2g## ph7ngW nhng nH2 =,=> nCr Al dEheo No ton mol e) 'h# Al vK#t cr5m +nAl p^ 2&+noK#t crom nAl p^ =,=! mol 'h# Al d, Al2+ HCl +nAl d 2nCr 2nH2 nAl d =,=2 molLnAl =,=" mol W Al RaH RaAl2 +NOH Q%Q )$>?. CR-A.11J.Ho tan hon ton hh gm =,2 mol Fe 0 =,2 mol Fe2+0o dd aK#t H2B4lo;ngd thu c 2,24 l#t $h% $tc 0 dd Q& Cho lng d dd RaH 0o dd Q sau phn ng K3 rahon ton thu c m gam $t t:a& 8#- tr9 nhq nht c:a m l)A.*,4 B.*>, C.!=," D.*4Fe 2H Fe2W Fe 2Fe+ +Fe2w Fe2 FeH2xW Fe+ FeH+x=, =,2 =, =,d=,2 =,+ =,4tUng=,4 =,2d=,2

S Q%(.Q Q%&.1Q ?%( ,J>@.CR-A.11J.G ho tan hon ton !,4 gam hh gm $#m lo6# ych c7 ho- tr9 kk 0 5K#t c:a n7cIn 0Pa : 4== ml dd HCl M& '#m lo6# y l)A.Ya B.Ye C.Mg D.CaM M,z +2 z Mg !>.CR-A.11J.Ho tan hon ton m gam hh gm ', Ra 0o dd HCl d thu c dd Q& C5 c6ndd Q thu c m +,>* gam hh cht rn $han& Ho tan hon ton 2m gam hh 0o n1c thu


5/22

c dd .& Cho tP tP n ht dd . 0o =,* l%t dd CrCl+M n phn ng hon ton thu c $tt:a c7 $h(# lng l)A.*4,= gam B.2=,! C.+=,> D.*,*nCl =,> nMw nMH 2&=,> ," W nCrCl+ =,* w d =,+ mol MH mx =,*{=,+& =+ &Q%@ ,J

(1.CR-AB.QJ.Hotan ht ,4 gam hh NJt Mg, Al NOng *== ml dd hh HCl M 0 H2B4=,2"M thu c dd 0 ",+! l%t $h% H2$tc& C5 c6n dd thu c lng mu(# $han l)A.+",>+ gam B.2*,>* C.=+,"* D.,"!C=2 (&. Ho tan * gam Al, Cu trong aK#t HCl d, sau phn ng thu c +,+! l#t $h% h#r5$tc& Ehnh phIn X $#m lo6# Al trong hZn hp l)A.2"X B.=X C."2X D.'t [u $h-c&C=2(>. Cho =," gam Al t-c d/ng 01# >,! gam lu hu|nh& Bau phn ng thu c cht rn &Cho cht rn tan hon ton trong 4== ml dung d9ch aK#t HCl& EhG t%ch $h% thu c $tc l)A.+,44 l#t B.",>! l#t C.,2 l#t D.'t [u $h-c&C=2 ((. HZn hp cha *,! gam Fe 0 4," gam Mg& Cho hZn hp t-c d/ng 01# aK#t HCl d th] thGt%ch $h% $tc thu c l)A.,2 l#t& B.!,2 l#t C.4,4" l#t D.",>! l#tC=2 (?. Ho tan hon ton 24," gam hZn hp Mg, Cu trong dung d9ch aK#t HCl d, sau phn ngthu c 4,4" l#t $h% H2$tc& Ehnh phIn X $#m lo6# Cu trong hZn hp Iu l)A."=,>X& B."=,4X& C.>,!X& D.'t [u $h-c&C=2 (@. (t ch-3 *,4 gam Al trong N]nh cha lu hu|nh phn ng 0Pa :& Cho sn phjm thuc 0o *== ml dung d9ch HCl phn ng 0Pa : th] thG t%ch $h% $tc thu c l)

A.!,2 l#t B.2,24 l#t C.4,4" l#t D.'t [u $h-c&C=2 (. Cho =," gam Al t-c d/ng 01# >,! gam lu hu|nh& Bau phn ng thu c cht rn &Cho cht rn tan hon ton trong 4== ml dung d9ch aK#t HCl& Rng J mol^l c:a aK#t HCl ;d}ng l)A.2M B.+M C.'t [u $h-c& D.2,*MC=2 (.Ho tan hon ton =,* gam hh $#m lo6# ho- tr9 kk 0 Fe trong dd HCl thu c ,2 l%t$h% $tc& '#m lo6# ho- tr9 kk l)A.Mg B.Ca C..n D.YeC=2 (. Ho tan hon ton hZn hp Mg, Cu trong aK#t HCl d, sau phn ng thu c 4,4" l#t$h% H2$tc& 'h(# lng Cu trong hZn hp l)

A.*,2 gam B.4," gam C.'t [u $h-c& D.*,! gamC=2 ?Q.Cho !,2 g $#m lo6# M c7 ho- tr9 n t-c d/ng 01# =,* mol 2& Cht rn thu c sauphn ng em ho tan 0o dd HCl d th3 tho-t ra +,44 l%t h#r5 $h% $tc& '#m lo6# M l)A.Fe B.Al C.Ca D.MgC=2 ?1. Cho lung H2[ua (ng s ?ng =," gam Cu c cht rn c7 $h(# lng =,!2 gam&hIn trVm Cu N9 $h l)A.*X B.!=X C.'t [u $h-c& D."=X


6/22

C=2 ?& A-1&J.Ha tan hon ton 2,4+ gam hZn hp gm Mg 0 .n 0o mJt lng 0Pa : dungd9ch H2B4lo;ng, sau phn ng thu c ,2 l%t H2$tc 0 dung d9ch & 'h(# lng mu(#trong dung d9ch lA.*,"+ gam& B.,++ gam& C.4,"+ gam& D.,2+ gam&

&. DNG BI TP. KIM LOI AXIT 0 #"+ !4-)U ,30 !4#: HNO>% H&'O(W0.

'5 67+, 89) #)+ )$ ;$;0#. 234 E4 $)F4 +; ++. @& TJV4 !4# H&'O(. 234 E4 $)F4 +; ++. (

R[+ $2# 89) #)+ +,2\]+ #3: +,2\]+ #3 #Z9+ /+, +; ++ +,2\]+ #5 N4#^ 0 #A,&I-&B


7/22

mol R2 0 =,=4 mol R2& E%nh $h(# lng mu(# $han thu c)A.*!,! B.+, C."4,* D.*,!C=24& Cho =,4 gam hh Al, Mg, .n 0o dd HR+lo;ng, d thu c 2,24 l%t hh $h% $tc gmR 0 R2, c5 c6n dd thu c 4,! gam mu(# $han& E%nh s( mol tPng $h% trong hh $h% thuc)

A.R) =,=*W R2) =,=* B.R) =,=!W R2) =,=4C.R) =,=4W R2) =,=! C.R) =,=+W R2) =,=C=2 *& Ho tan hon ton m gam hh gm + $#m lo6# NOng dd HR+thu c l%t $h% $tc gmR20 R c7 t $h(# so 01# H2l) ",2&a& E%nh tUng s( mu(# $han t6o thnh theo m 0 _A.mmu(# m !,="> B.mmu5# m + C.mmu(# m > D.'t [u $h-cN& Cho ,2 l%t& E%nh thG t%ch HR++," X ,242g^ml t(# th#Gu ; d}ng_A.2,4 ml B.4 C, 2*,4 D.'t [u $h-cC=2 !& Ho tan ht =," gam Al trong dd HR+thu c hh 2 $h% R 0 R2 c7 t $h(# h~# so

01# H2NOng >& EhG t%ch mZ# $h% trong hh l)A.C}ng *,2 B.C}ng !,2 C.+,+! 0 !,2 D. l%t 0 4 l%tC=2 & Cho +,* gam Al t-c d/ng 0Pa : 01# 4,4 l%t dd aK#t HR+ s#nh ra hh 2 $h% R, R2 c7 t$h(# h~# so 01# CH4l) 2,4& Rng J mol c:a aK#t Nan Iu l)A.,> M B.=,4+ C.=,"! D.,4+C=2 "& Ho tan ht ,+ gam $#m lo6# M 0o dd HR+thu c dd A du3 nht& Cho dd RaHn d 0o dd A 0 un nh th3 c7 tho-t ra =,2 l%t $h% $tc& '#m lo6# M l)A.Ca B.Mg C.Al D..nC=2 >& Cho a gam NJt .n t-c d/ng hon ton 01# l%t dd HR+=,2M $h5ng c7 $h% tho-t ra th]thu c dd D.G phn ng 0Pa : 01# dd cIn ng =,* l%t dd RaH 4M 0 tho-t ra 2,24 l%t

$h% $tc& Erong N]nh sau phn ng ch cn dd trong su(t& E]m _A.4,* 0 !,* B.4,* 0 *,* C.4,* D.'t [u $h-cC=2 =& Ho tan hon ton a gam Al 0o dd HR +lo;ng th3 thoat ra 44," l#t hh + $h% $tc gm)R, R2 0 R201# t lS mol )2)2& 8#- tr9 c:a a l)A.4=,4 gam B.=,2 C.+*, D.'t [u $h-cC=2& Ho tan >,2 g $#m lo6# M trong dd HR+lo;ng d thu c 4,4" l#t $h% R $tc 0 ddD.Cho dd RaH n d 0o dd ta c $t t:a b& Rung b n $h(# lng $h5ng U# trong$h5ng $h% ta c a gam cht rn& '#m lo6# M l)A.Mg B.Al C.Fe D.CuC=22& Ho tan hon ton +,2 gam $#m lo6# ho- tr9 kk trong 2= gam dd HR+ic n7ng thu c",! g dd mu(#& Rng J X c:a dd HR+em d}ng l)A.!+X B.+X C.*,*X D.'t [u $h-cC=2+& Ch#a hh Al 0 Cu thnh 2 phIn NOng nhau&Ph+ 1& cho 0o dd HR+ic nguJ# c7 ",>! l%t $h% tho-t ra mu nTu q&Ph+ && cho t-c d/ng 01# dd HCl c7 !,2 l%t $h% $h5ng mu tho-t ra& c-c $h% o f $tc&hIn trVm $h(# lng c:a Cu trong hh Nan Iu l)A.+=,*"X B.*=,4*X C.=,++X D.-p -n $h-c


8/22

C=24& Cho hh Al, Fe 0o dd HR+lo;ng d thu c !,2 l%t $h% R $tc& B( mol aK#t ;d}ng l)A.=,+ mol B.=,! C.,2 D.'t [u $h-cC=2*& Ho tan hon ton a gam hh Mg, Al 0o dd HR +ic nguJ# d thu c =,++! l%t $h%R2f ==C 0 2 atm& Cng a gam hh tr\n $h# ho tan trong HR+lo;ng d thu c =,!" l%t R

f ==C 0 4 atm& 'h(# lng 2 $#m lo6# Al 0 Mg trong a gam hh lIn lt l)A.4,=* g 0 4," g& B.*,4 0 +,! C.=,*4 0 =,+! D.'t [u $h-cC=2!& Ho tan ht +,> gam hh Al 0 Fe trong dd HR+lo;ng thu c dd C 0 ,2 l%t $h%$tc gm 2 $h% R, R2c7 t $h(# h~# so 01# 2l ,2+*&a& E%nh X $h(# lng mZ# $#m lo6#)A.XAl >,42W XFe "=,*" B.!,42W "+,*" C.",42W ",*" D.'t [u $h-cN& Cho RaH n d 0o dd C th] thu c Nao nh#\u gam $t t:a_A.2,4 B.22,4 C.",! D.' $h-cC=2& Cho 2,> gam hh Al 0 Mg phn ng 01# ==ml dd HR+4M 0 H2B4M m ic

thu c 2,24 l%t $h% $tc mZ# $h% B2, R, R2a& E%nh $h(# lng mZ# $#m lo6# trong hh lIn lt Mg, Al l)A.4,"W ", B."W ", C.4,"W " D.' $h-cN& C5 c6n dd thu c Nao nh#\u gam mu(# $han_A.!, B.!, C.+",> D.' $h-cC=2"& , Q l ha# $#m lo6# ho- tr9 kk 0 kkk& Ho tan ht gam hh , Q NOng dd aK#t HR+icn7ng thu c 4,* l%t R2$tc& Cng lng hh n3 cho t-c d/ng 01# lng d aK#t HCl sauphn ng thu c !,2 l%t $h% H2$tc 0 ,! gam cht rn $h5ng tan& -c 9nh , Q_A.Cu 0 Al B.MgW Al C..nW Al D.' $h-cC=2>& Cho ,2> gam hh Mg 0 Al trJn theo t lS mol +) 2, t-c d/ng 01# dd H2B4ic n7ng0Pa

: thu c =,=* mol sn phjm du3 nht cha lu hu|nhngo# mu(# suDat& -c 9nh t\n snphjm&A.H2B B.B2C.B D.B+C=22=& Cho mgam hh Mg 0 Al 0o m2gam dd HR+24X& Bau $h# c-c $#m lo6# tan ht c7",>! l%t $h% hh gm R, R2, R20 dd A.Eh\m mJt lng 20Pa : 0o thu ?~c hh $h%Q& n Q tP tP [ua dd RaH d& Cn l6# 4,4" l%t hh $h% . N#t t $h(# h~# c:a . so 01# H2l 2=&Ru cho dd RaH 0o A G c lng $t t:a maK th] thu c !2,2 gam $t t:a&a& E%nh m, m2& Y#t HR+l3 d 2=X so 01# lng cIn th#tN& CX cht trong dd A.c-c $h% o f $tcC=22& Ho tan ",+2 gam Cu 0o + l%t dd HR+thu c dd A 0 4,>2" l#t hh $h% R, R2$tc&a& E%nh t $h(# c:a hh $h% so 01# H2& A.22,2* B.2=,2* C.2",2* D.+=,*!N& Cho !,2 gam NJt Al ho tan 0o dd A t6o ra hh $h% R20 $h% $h5ng mu ho- nTu trong$h5ng $h%, ng th# thu c dd B.E%nh thG t%ch hh $h%, N#t t $h(# h~# hh so 01# H2l 4,4&A.*,! l#t B.!," C.2,24 D.+,+!c& G trung ho dd Y cIn 2== ml dd 'H ,+ M& E%nh nng J mol^l%t c:a dd HR+&A.=,>"M B.M C.2,*M D.,*M


9/22

C=222& Cho >,2 gam Cu 0o dd aK#t lo;ng cha =,4 mol HR+0 =,! mol HCl& Bn phjm $h%l)A.=,2 mol R2B.=, mol R C.=,2 mol R D.=,* mol H2C=22+& Cho ,>2 g Cu 0o dd ==ml dd cha ng th# 'R+=,!M 0 H2B4=,4M th3 s#nhra mJt cht $h% c7 t $h(# h~# so 01# H2l * 0 th c dd A.E%nh thG t%ch $h% s#nh ra $tc 0

thG t%ch dd RaH M t(# th#Gu cIn d}ng G $t t:a ton NJ Cu2trong dd A.A.=,44" l#t 0 RaH =,2" l#t B.=,224 0 =,2" C.=,44" 0 =,=! D.' $h-cC=224& Ho tan !,4 gam Cu 0o 2= ml dd hh HR+M 0 H2B4=,*M thu c phIn cn l6#A 0 l%t $h% R du3 nht& a& E%nh _ A.,+44 B.2,+" C.2,24 D.4,4"N& Ru cho t#p 0o A 2= ml dd H2B4M& C5 can dd sau phn ng thu c Nao nh#\u gammu7# $han_A.!,*! B.2,*! C.+," D.C=22*& Ho tan hon tan m gam hh NJt A gm $#m lo6# y ho- tr9 k 0 $#>m lo6# ho- tr9 kk 0odd hh gm HR+0 H2B4thu c ,+44 l%t hh $h% Y gm R20 $h% $tc& 'h(# lng hh

$h% Y l 2,>4 gam&& 'h% l) A.R2 B.R C.B2D.H22& B( mol mZ# $h% trong hh Y theo th t? R20 l)A.=,=* W =,=2 B.=,=+W =,=2 C.=,=*W =,= D.=,=W =,=4+& 'h(# lng mu(# $han thu c trong th% ngh#Sm tr\n l)A.m *,=4 gam B.m 4,=! C.m +,>4 D.m !,44& Ru hh $h% A c7 $h(# lng m + gam gm Ag 0 Cu t-c d/ng 01# dd cha HR+0 H2B4G thu c hh $h% Y tr\n& 'h(# lng mZ# $#m lo6# trong hh A Ag, Cu l)A.,=" gam 0 ,>2 gam B.2,!W =,"4C.2,+22W =,!" D.=,"!4 W 2,+!

C=2&@% Cho ",+2 gam Cu 0o + l%t dung d9ch HR+0Pa : c 4,>2" l%t hZn hp $h% gmR, R2$tc& E%nh $h(# lng l%t hZn hp $tc, 0 nng J mol HR+; d}ng &C=2&. Cho !,2 gam NJt Al phn ng 0Pa : 01# 4 l%t dung d9ch HR+c hZn hp Q c7 t$h(# h~# so 01# H2l 4,4 & E%nh thG t%ch $h% R, R2f $tc, 0 nng J mol dung d9ch HR+NanIu&C=2&.Rung m gam Fe trong $h5ng $h%,sau mJt th# g#an th] dPng, c 2 gam cht rn ,ha tan ht lng cht rn trong dung d9ch HR+d, un n7ng, c mJt mu(# st kkk 02,24 l%t $h% R l sn phjm $h du3 nht $tc& E%nh m phn ng K3 ra hon ton&C=2&.Rung *,=4 gam NJt st trong $h5ng $h% sau mJt th# g#an c m gam cht rn , hatan ht m gam trong dung d9ch HR+lo;ng, d c ,2 l%t $h% R $tc du3 nht& E%nhm &C=2>Q. Ha tan = gam mu(# FeB4N9 ht jm 0o n1c thu c 2== ml dung d9ch A & `3 2=ml A th\m H2B4lo;ng G t6o m5# trngaK#t r# cho t-c d/ng 01# dung d9ch 'Mn4=,=4 M th]cIn 0Pa ng 2* ml & E%nh nng J mol dung d9ch A, hm lng mu(# FeB 4$han trong mutr\n&C=2>1. Cho ",+! gam hZn hp gm Al, .n 0o **= ml dung d9ch HR+thu c dung d9ch A,cht rn Y c7 $h(# lng 4,!2! gam 0 ,2 l%t hZn hp $h% cha R, R2 $tc, c7 t $h(#
http://www.kilobooks.com/forumdisplay.php?f=131http://www.kilobooks.com/forumdisplay.php?f=75http://www.kilobooks.com/forumdisplay.php?f=131http://www.kilobooks.com/forumdisplay.php?f=75


10/22

h~# so 01# h3dr5 l !,*& E%nh nng J mol HR+Nan Iu 0 $h(# lng mu(# sau $h# c5 c6nA.C=2>&. Cho +,* gam NJt nh5m t-c d/ng 0Pa : 01# 2,2 l%t dung d9ch HR+, phn ng t6o ramu(# nh5m 0 hZn hp $h% Y gm R, R2 & E%nh nng J mol dung d9ch HR+& Y#t t $h(#h~# c:a Y so 01# h3dro l >,2& E%nh thG t%ch hZn hp $h% Y $tc&

C=2>>. Ha tan hZn hp A gm Fe+40 FeB2trong !+ gam dung d9ch HR+thu c dungd9ch A0 hZn hp $h% B2, C2c7 thG t%ch 4,4" l%t $tc theo phn ng )

& mol H2B4ic A j=,* mol B2

2& mol H2B4ic A j,= mol B2

+& mol H2B4ic A j,* mol B2

4& mol H2B4ic A j4^+ mol B2

*& mol H2B4ic A j=,2* mol B2

Fe+4 HR+jFeR++ R2 H2 &FeB2 HR+jFeR++ R2 H2B4 H2 &ung d9ch Acho t-c d/ng 0Pa : 01# 2== ml dung d9ch RaH 2 M &`,! gam cht rn& E%nh $h(# lng tPng cht tronghZn hp A 0 nng J X dung d9ch HR+Nan Iu & h == X &C=2>(. Ha tan hZn hp A gm Fe+40 FeC+trong >" gam dung d9ch H2B4ic n7ng, thuc dung d9ch A0 $h% R2du3 nht c7 thG t%ch ,*!" l%t $tc theo phn ng )

Fe+4 H2B4jFe2B4+ B2 H2 &FeC+ H2B4jFe2B4+ B2 C2 H2ung d9ch thu c cho t-c d/ng 0Pa : 01# += ml RaH 4 M & `? ) Ho tan hon ton 24,+g Al 0o dung d9ch HR+lo;ng d thu c l%t hZn hp $h%$tc gm R 0 R2 c7 t $h(# h~# so 01# H2l 2=,2*& 8#- tr9 c:a lA.!,2& B.2,24& C.",>!& D.,2=&C=2>@ Ho tan !2,g $#m lo6# M trong dung d9ch HR+2M lo;ng c !,"l%t hZn hp $h%

$tc gm 2 $h% $h5ng mu, $h5ng ho- nTu ngo# $h5ng $h%& E $h(# c:a so 01# H 2l ,2&'#m lo6# M lA.Fe& B.Cu& C..n& D.Al&C=2>. Ho tan hon ton *,>4g $#m lo6# y trong dung d9ch HR+lo;ng thu c 2,!""l%t$tc hZn hp $h% gm R 0 R2 c7 t $h(# so 01# H2l ",*& '#m lo6# y lA.Fe& B.Cu& C.Mg& D.Al&Do+, 0) 0=2 >% >% (Q :HZn hp gm FeB20 MB c7 s( mol nh nhau M l $#m lo6# c7


11/22

ho- tr9 $h5ng U#& Cho !,*g t-c d/ng hon ton 01# dung d9ch HR+d, un n7ng thu cdung d9ch A 0 +,2! l%t hZn hp $h% Y $tc c7 $h(# lng l 2!,+4 gam gm R 20 R&Cho A t-c d/ng 01# dung d9ch YaCl2d thu c m gam $t t:a&C=2>. '#m lo6# M lA.Mg& B..n& C.R#& D.Ca

C=2>) 8#- tr9 c:a m lA.2=,>& B.+,>"& C.*,2"& D.2",*2&C=2(Q. hIn trVm $h(# lng c:a FeB2trong lA.44,X& B.++,!X& C.**,+X& D.!!,4X&C=2(1. Cho !g hp $#m Mg 0 Al 0o dung d9ch HR+ic, nguJ#, d thu c 4,4" l%t $h%R2$tc& hIn trVm $h(# lng c:a Al trong hp $#m lA.4=X& B.!=X& C."=X& D.2=X&C=2(&. Ho tan hon ton =,> gam $#m lo6# M NOng dung d9ch HR+thu c =,2" l%t $h% R2$tc& '#m lo6# M l

A.Fe& B.Al& C.Cu& D.Mg&C=2(>. ) Ya dung d9ch aK#t m ic) HCl, H2B4, HR+?ng trong Na l< N9 mt nh;n& Ehu(cth du3 nht c7 thG nhn c + aK#t tr\n lA.Cu& B.Cu& C.dd YaCl2D.dd AgR+&C=2((. ) Ho tan hon ton m gam Cu trong dung d9ch HR+thu c ,2 l%t hZn hp $h% R0 R2$tc c7 t $h(# h~# (# 01# H2l !,!& 8#- tr9 c:a m lA.",+2& B.+,>=& C.4,!& D.!,4=&C=2(?. ) Rung m gam Fe trong $h5ng $h%, thu c =4,"g hZn hp A gm Fe, Fe, Fe2+,Fe+4& Ho tan hon ton A trong dung d9ch HR+d, thu c dung d9ch Y 0 2,=>! l%t hZnhp $h% C gm R 0 R2$tc c7 t $h(# so 01# He l =,!& 8#- tr9 c:a m l

A.",4& B."4,=& C.2,"& D.">,!&C=2(@. (t ch-3 *,!g NJt Fe nung q trong N]nh 2thu c ,+! gam hZn hp A gm Fe2+,Fe+4, Fe 0 Fe& Ho tan hon ton hZn hp A NOng dung d9ch HR+thu c l#t hZn hp $h%Y $tc gm R20 R c7 t $h(# so 01# H2l >& 8#- tr9 c:a lA.=,!2& B.=,224& C.=,">!& D.,2=&Do+, 0) 0=2 (%(%( :Cho a gam hZn hp A gm Mg, Al 0o N gam dung d9ch HR+ 24X :thu c ",>! l%t hZn hp $h% gm R, R2, R2$tc 0 dung d9ch B.Eh\m mJt lng 20Pa: 0o , sau phn ng c hZn hp Q& nQ tP tP [ua dung d9ch RaH d thu c 4,4" l%thZn hp $h% . $tc c7 t $h(# h~# so 01# H2l 2=& Ru cho dung d9ch RH+d 0o Y th] thuc c !2,2 gam $t t:a&C=2(. hIn trVm thG t%ch c:a R trong lA.*=X& B.4=X& C.+=X& D.2=X&C=2(. ) 8#- tr9 c:a a lA.2+,& B.2,+& C.+2,& D.+,2&C=2(. ) 8#- tr9 c:a N lA.!,2*& B.+4,2*& C.*2*,*2& D."2","2&C=2?Q. Cho 2,> gam hZn hp gm Mg, Cu, Al t-c d/ng ht 01# dung d9ch HR+lo;ng thu


12/22

c ,2 l%t $h% R $tc 0 dung d9ch Q& Cho Q t-c d/ng 01# dung d9ch RaH th] thu clng $t t:a l1n nht l m gam& 8#- tr9 c:a m lA.!,+& B.*,4!& C.+,!& D.4,+2&C=2?1. Cho 2*,> gam hZn hp gm Mg, Al, Fe2+t-c d/ng ht 01# dung d9ch HR+lo;ngthu c !,2 l%t $h% R $tc& Ru cho 2*,> gam t-c d/ng ht 01# 2th] thu c m gam

cht rn& 8#- tr9 c:a m lA.2",+& B.4=,+& C.2>,*& D.++,&C=2?&. Ho tan hon ton hZn hp gm =,2 mol FeB20 a mol Cu2B 0 aK#t HR+0Pa :,thu c dung d9ch ch cha 2 mu(# sunDat 0 $h% R du3 nht& 8#- tr9 c:a a lA.=,=!& B.=,=4& C.=,=*& D.=,2&C=2?>.Rung m gam NJt st trong oK#, thu c + gam hZn hp cht rn & Ho tan ht hZn hp trong dung d9ch HR+d tho-t ra =,*! l%t $tc $h% R l sn phjm $h du3 nht& 8#- tr9c:a m lA.2,!2& B.2,+2& C.2,22& D.2,*2&

C=2 ?(.CR-A.QJ.Cho hh Mg, Fe 0o dd H2B4ic n7ng n $h# phn ng K3 ra hon ton,thu c dd Q 0 phIn Fe $h5ng tan& Cht tan c7 trong dd Q l)A.MgB4, FeB4B.MgB4C.MgB4, Fe2B4+D.MgB4, FeB4, Fe2B4+C=2 ??. RH-A.QJ.Ho tan hon ton 2 gam hh Cu, Fe t lS mol ) NOng aK#t HR+thuc l#t $h% $tc hh $h% gm R, R2 0 dd Q ch cha 2mu(# 0 aK#t d& E $h(# c:a so01# H2NOng >& 8#- tr9 c:a l)A.2,24 B.4,4" C.*,! D.+,+!C=2 ?@. RH-A.QJ.G thu c Ag t#nh $h#t tP hh gm a mol Al2+, N mol Cu, c molAg2, ng# ta ho tan Nf# dd cha !a 2N 2c mol HR+c dd Q, sau 7 th\m H#Susut phn ng ==X)

A.c mol NJt Al 0o Q B.c mol NJt Cu 0o QC.2c mol NJt Al 0o Q D.2c mol NJt Cu 0o QC=2 ?.CR-B.QJ.Cho 2,! gam $#m lo6# Mg t-c d/ng 01# dd HR+d& Bau$ h# phn ng K3ra hon ton thu c =,">! l#t $h% R $tc 0 dd & 'h(# lng mu(# $han thu c $h# lmNa3 h~# dd l)A.",""gam B.+,>2 C.!,*2 D.+,+2C=2 ?.CR-B.QJ.EhG t%ch HR+M lo;ng %t nht cIn d}ng G ho tan hon ton hh gm=,* mol Fe 0 =,* mol Cu lN#t phn ng t6o cht $h du3 nht l R)A. l%t B.=,! C.=," D.,2C=2 ?.CR-A%B.QJ.Ch#a m gam Al thnh 2 phIn NOng nhau){ Ph+ 1t-c d/ng 01# lng d dd RaH, s#nh ra K mol $h% H2{ Ph+ &t-c d/ng 01# lng d dd HR+lo;ng s#nh ra 3 mol $h% R2sn phjm $h du3 nht&uan hS g#a K 0 3 l)A.3 2K B.K 3 C.K 43 D.K 23C=2 @Q.CR-A%B.QJ.Cho +,! gam Mg t-c d/ng ht 01# dd HR+d, s#nh ra 2,24 l#t $h% snphjm $h du3 nht $tc& 'h% l)A.R B.R2C.R2 D.R2


13/22

C=2 @1.CR-A%B.QJ.Ho tan hon ton ","!2 gam hh Al 0 Mg 0o dd HR+lo;ng thu cdd 0 +,+! l#t hh $h% Q $tc gm 2 $h% $h5ng mu, trong 7 c7 $h% ho- nTu trong $h5ng $h%& 'h(# lng c:a Q l *," gam& Cho dd RaH d 0o 0 un n7ng, $h5ng c7 $h% m}# $ha#tho-t ra& hIn trVm $h(# lng c:a Al trong hh Nan Iu l)A.>,*+X B.2,"X C.=,*2X D.*,2*X

C=2 @&.CR-A%B.QJ.Ho tan lng NJt .n 0o dd aK#t & Bau phn ng thu c dd Q 0$h% .& Rhq tP tP tPng dd RaH d 0o Q, un n7ng thu c $h% $h5ng mu E& AK#t l)A.H2B4ic B.HR+C.H+4D.H2B4C=2 @>. RH-B.QJ.Cho !,2 gam hh gm Cu 0 Fe+4t-c d/ng 01# dd HR+lo;ng, unn7ng 0 $hu3 u& Bau$ h# c-c phn ng K3 ra hon ton thu c +,+! l#t $h% R sn phjm$h du3 nht $tc, dd Q 0 cn l6# 2,4 gam $#m lo6#& C5 c6n dd Q, thu c m gam mu(# $han &8#- tr9 c:a m l)A.+, B.=",> C.>,* D.*,*C=2 @(. RH-B.QJ.Ho tan hon ton ,2+ gam hh gm Cu, Al 0o dd HR+ic n7ng thu

c ,+44 l#t $h% R2$tc l B' du3 nht 0 dd Q& B/c tP tP $h% RH+d 0o dd Q, sau $h#phn ng K3 ra hon ton thu c m gam $t t:a& hIn trVm 0 $h(# lng c:a Cu trong hh 0 g% tr9 c:a m lIn lt l)A.",=*X 0 2,2* B.2,>*X 0 2,2* C.",=*X 0 =," D.2,>*X 0 =,"&C=2 @?. RH-A.QJ. Cho !,2 gam Fe 0o 4== ml dd HR+M, n $h# phn ng K3 ra honton, thu c $h% RB' du3 nht 0 dd & ung d9ch c7 thG ho tan t(# a m gam Cu& 8#-tr9 c:a m l)A.+,"4 B.+,2 C.,>2 D.=,!4C=2 @@. RH-A.QJ.Cho +,=24 gam $#m lo6# M tan ht trong dd HR+lo;ng thu c >4=,"ml $h% RQ l B' du3 nht c7 t $h(# (# 01# H2NOng 22& 'h% RQ 0 $#m lo6# M l)

A.R2 0 Fe B.R20 Al C.R2 0 Al D.R 0 MgC=2 @. RH-A.QJ.Ho tan hon ton 2,42 gam Al NOng dd HR+lo;ng d, thu c dd 0,+44 l%t hh $h% Q gm 2 $h% l R20 R2 c7 t $h(# h~# so 01# H2l "& C5 c6n dd , thu cm gam cht rn $han& 8#- tr9 c:a m l) A.+4,=" B.+",+4 C.=!,+" D.>,>"C=2 @. RH-B.1QJ.Rung 2,2+ gam hh c-c $#m lo6# Fe, Al, .n, Mg trong 5K#, sau th# g#anthu c 2, gam hh Q& Ho tan hon ton Q 0o dd HR+d, thu c =,!2 l#t $h% R$tcB' du3 nht& B( mol HR+; phn ng l)A.=,2 B.=,4 C.=,! D.=,"C=2 @.CR-A.1QJ.Cho hh gm !,2 gam Mg 0 =," gam Mg t-c d/ng ht 01# lng d ddHR+& Bau$ h# c-c phn ng K3 ra hon ton, thu c =,">! l#t $h% $tc 0 dd Q& m Na3h~# dd Q thu c 4! gam mu(# $han& 'h% l)A.R2 B.R C.R2D.R2C=2 Q. RH-A.11J.un n7ng m gam hh Cu 0 Fe c7 t lS $h(# lng t~ng ng )+ 01# lngd dd HR+, $h# phn ng $t thc, thu c =,*m gam cht rn, dd 0 *,! l%t hh $h% $tcgm R, R2$h5ng c7 sn phjm $h $h-c c:a R*& Y#t lng HR+; phn ng l 44,gam& 8#- tr9 c:a m l)A.4=,* B.*=,4 C.++,! D.44,"


14/22

C=2 1. CR-A.11J.Ho tan hon ton + gam .n trong dd HR+lo;ng d thu c dd 0=,44" l%t $h% R2$tc& 'h(# lng mu(# trong dd l)A.",> gam B.+," C.2",+* D.+>,"t6o mu(# RH4R+0] s( mol e nhng c:a .n ne nhn c:a $h% R2mmu(# =,2&m.nR+2 =,=2*&mRH4R+ >% ,J

C=2 &.H'G-1Q& Cho hh gm ",4 gam Fe 0 !,4 gam Cu 0o dd HR+& Bau $h# phn ngK3 ra hon ton thu c +,+! l%t $h% Rl sn phjm $h du3 nht, o f $tc& 'h(# lngmu(# thu c sau phn ng l)A.+!,+ gam B.4, C.4,+ D.42,C=2 >.H'G-11J.Cho 2," gam NJt Fe t-c d/ng hon ton 01# ml dd HR+=,*M thu csn phjm $h R du3 nht 0 dd & c7 thG t-c d/ng 0Pa : 01# dd cha =,=+mol AgR+& 8#-tr9 c:a l)A.2"=ml B.42= C.+2= D.+4=C=2 (.H'G-11J.Ho tan hon ton += gam hh gm Mg, Al 0 .n trong dd HR+, sau phn

ng hon ton thu c dd Q 0 hh gm =,mol R 2 0 =, mol R& C5 c6n dd sau phn ngthu c 2 gam hh mu(#& 3 s( mol HR+; N9 $h trong phn ng tr\n l)A.=,+ mol B.=,4 C.=,4* D.=,+*mol

>. DNG BI TP Vp PHqN rNG NHIcT LsbcN: XT TC DNG VI CHtTKHu.

T


15/22

C=2 >. RH-A.QJ.Cho $h% H2d [ua hh c-c 5K#t Cu, Fe2+, .n 0 Mg nung f nh#St Jcao& Bau phn ng hh rn cn l6# l)A.Cu, Fe, .n, Mg B.Cu, Fe, .n, Mg C.Cu, Fe, .n, Mg D.Cu, Fe, .n, MgC=2(.CR-A.QJ.Cho ml hh $h% $tc gm C 0 H 2phn ng 01# lng d hh cht rngm Cu 0 Fe+4nung n7ng& Bau $h# c-c phn ng K3 ra hon ton, $h(# lng hh rn g#m

=,+2 gam& 8#- tr9 c:a l)A.=,2 l%t B.=,*! C.=,224 D.=,44"C=2 ?.CR-AB.QJ.n tP tP l#t $h% C $tc # [ua 7ng s ?ng lng d hh rn gm Cu,Fe2+f nh#St J cao& Bau $h# c-c phn ng K3 ra hon ton thu c $h% & n ton NJ $h% f tr\n 0o lng d dd CaH2th] t6o thnh 4 gam $t t:a& 8#- tr9 c:a l)A.,2 B.=,">! C.=,44" D.=,224C=2 @.CR-AB.QJ.'h hon ton 5K#t Fe f nh#St J cao cIn 0Pa : l#t $h% C $tc, sauphn ng thu c =,"4 gam Fe 0 =,=2 mol $h% C2& C5ng thc c:a 0 g#- tr9 lIn lt l)A.Fe+40 =,224 B.Fe+4W =,44" C.FeW =,224 D.Fe2+W =,44"

C=2 . RH-A.QJ.Cho lung $h% C d # [ua >, gam hh gm Cu 0 Al2+nung n7ng nphn ng hon ton, thu c ",+ gam cht rn& 'h(# lng Cu c7 trong hh Nan Iu l)A.4 gam B.=," C.",+ D.2C=2 .CR-A.11J.Rung hh gm =," gam Al 0 ! gam Fe2+ trong $ $h5ng c7 $h5ng $h%,sau $h# phn ng K3 ra hon tan thu c cht rn Q& 'h(# lng $#m lo6# trong Q l)A.!,! gam B.,2 C.*,! D.22,4C=2 .CR-AB.11J.;3 gm c-c cht u N9 Al $h f nh#St J cao l)A.Fe,Mg,Cu B.N,'2,Bn C.Fe+4,Bn,Ya D.Fe,Cu,Cr2+

(. DNG BI TP HvN HwP CC CHtT TC DNG VI AXT HNO>%H&'O(W0.

'd DNG PHxyNG PHP lsb RzI) [u3 U# hZn hp nh#u cht tP+ cht trf l\n thnhhZn hp 2 cht ha3 ch cn cht ta ph# No ton s( mol ngu3\n t( 0 No ton $h(# lng&

C=2 1. RH-AQJ.Ho tan hon ton hZn hp gm =,2 mol FeB20 a mol Cu2B 0o aK#t HR+0Pa : thu c dd ch cha 2 mu(# sunD-t 0 $h% du3 nht R& 8#- tr9 c:a a l)A.=,=4 B.=,=* C.=,2 D. =,=!C=2 &.CR-AQJ.Cho ,+! gam gam hh Fe,Fe2+0 Fe+4phn ng ht 01# dd HR+lo;ngd, thu c ,+44 l%t $h% R B' du3 nht $tc 0 dd & C5 c6n dd thu c m gam mu(#$han& 8#- tr9 c:a m l)A.+*,* B.+4,+! C.4>,=> D. +",2C=2 >.CR-A%BQJ.ErJn *,! gam NJt Fe 01# 2,4 gam B r# nung n7ngtrong $ $h5ng c7 $h5ng$h%, thu c hh cht rn M& Cho M t-c d/ng 01# lng d dd Hcl, g## ph7ng hh $h% 0 cnl6# phIn $h5ng tan 8& G (t ch-3 hon ton , 8 cIn l%t 5K# f d$tc & 8#- tr9 c:a l)A.4,4" B.+,+! C. 2," D.+,="C=2 (. RH-BQJ.Ho tan hon ton 2=,"" gam 5K#t st NOng dd H2B4ic, n7ng thu c dd


16/22

0 +,24" l%t $h% B2$tc, B' du3 nht& C5 c6n dd , th c m gam mu(# sunDat $han & m l)A.4",4 B.*2,2 C. *" D.*4C=2 ?. RH-B.1QJ.'h hon ton m gam 5K#t MK3cIn 0Pa : ,>2 l%t $h% C $tc, thu c agam $#m lo6# M& Ho tan ht a gam M NOng dd H2B4ic n7ng d thu c 2=,! l%t $h% B2B' du3 nht f $tc& vK#t $#m lo6# l)

A.Cr2+B.Fe C. Fe+4D.CrC=2 @. RH-B1QJ.Ho tan hon ton 2,44 gam hh NJt gm FeK30 Cu NOng dd H2B4icn7ng d& Bau phn ng thu c =,*=4 l#t $h% B2B' du3 nht, $tc 0 dd cha !,! gam hhmu(# sunDat& Xm c:a Cu trong hh l)A.+>,+4X B.!*,*X C. 2!,2+X D.+,XC=2 . RH-A11J.Rung m gam hh gm FeB 0 FeB2trong N]nh $%n cha $h5ng $h% gm2=X th t%ch 20 "=X thG t%ch R2 n $h# phn ng K3 ra hon ton, thu c cht rn du3nht 0 hh $h% Q c7 thnh phIn thG t%ch ) "4,"X R 2, 4X B2, cn l6# l 2& hIn trVm $h(#lng c:a FeB trong hh l)

A.*>,4!X B.2!,"+X C. >,!4X D.42,+X

C=2 1( A-1&JCho ",4 gam hZn hp gm Cu2B, CuB, FeB20 FeB t-c d/ng ht 01# HR+ic n7ng d thu c l%t $h% ch c7 R 2f $tc, sn phjm $h du3 nht 0 dung d9ch Q&Cho ton NJ Q 0o mJt lng d dung d9ch YaCl2, thu c 4!,! gam $t t:a, cn $h# cho tonNJ Q t-c d/ng 01# dung d9ch RH+d thu c =, gam $t t:a& 8#- tr9 c:a lA.+",=" B.,2 C.24,!4 D.!,"

?. DNG KIM LOI 234 NO>- !"# H J

C=2 1. RH-B.QJ. Cho m gam NJt st 0o "==ml dd hh gm CuR+2=,2M 0 H2B4=,2*M &Bau $h# c-c phn ng K3 ra hon ton, tu c =,!m gam hh NJt $#m lo6# 0 l#t $h% RB'du3 nht, $tc& 8#- tr9 c:a m 0 lIn lt l)A.=," 0 4,4" B.=,"W 2,24 C.,"W 4,4" D. ,"W 2,24C=2 &. RH-A.QJ.Cho hh gm ,2 gam Fe 0 ,>2 gam Cu 0o 4==ml dd cha hh gm H 2B4=,*M 0 RaR+=,2M& Bau $h# c-c phn ng K3 ra hon ton thu c dd 0 $h% R B'du3 nht & Cho ml dd RaH M 0o dd th] lng $t t:a thu c l l1n nht& 8#- tr9 t(#th#Gu c:a l)A.4== B.2= C.24= D. +!=C=2 >.CR-A.QJ.Cho +,2 gam NJt Cu t-c d/ng 01# ==ml dd hh gm HR+=," M 0 H2B4=,2 M& Bau $h# phn ng K3 ra hon ton, s#nh ra l#t $h% RB' du3 nht f $tc& l)A.=,4! B.=,!2 C.=,44" D.,>2C=2 (.CR-A.1Q& Cho gam Fe 0o ==ml dd hh gm HR+=,"M 0 CuR+2M& Bau $h#phn ng K3 ra hon ton, thu c =,>2a gam hh $#m lo6# 0 $h% RB' du3 nht R*& 8#-tr9 c:a a l)A.,2 B. C.*,! D.",4


17/22

C=2 @. CR-A.11J.G nhn ra #on R+{trong dd YaR+2, ng# ta un nh dd 7 01#)A.$#m lo6# Cu B.dd H2B4lo;ng C.$#m lo6# Cu 0 dd Ra2B4D.$#m lo6# Cu 0 dd H2B4lo;ngC=2 . RH-A.11J.Cho =," gam hh gm Fe, Cu 0 Al 0o N]nh ?ng +== ml dd H2B4=,M&Bau $h# c-c phn ng K3 ra hon ton, thu c =,+2 gam cht rn 0 c7 44" ml $h% tho-t ra

$tc& Eh\m t#p 0o N]nh =,42* gam RaR+, $h# c-c phn ng $\t thc th] thG t%ch $h% R $tc,B' du3 nht t6o thnh 0 $h(# lng mu(# trong dd l)A.=,224 l#t 0 +,* gam B.=,2W +,* C.=,2W +,"!* D.=,224W +,"!*C=2 . RH-A.11J.Cho ,!" gam Cu 0o 2== ml dd gm HR+=,!M 0 H2B4=,*M& Bau $h#c-c phn ng K3 ra hon ton B' du3 nht l R, c5 c6n cjn thn ton NJ dd sau phn ngth] $h(# lng mu(# $han thu c l)A.2=,! B.22,*! C.>,! D.>,2C=2 . RH-B.11J.;3 gm c-c cht u phn ng c 01# dd FeCl2l)A.YJt Mg, dd YaCl2, dd HR+B.$h% Cl2, dd Ra2C+, dd HCl

C.NJt Mg, dd RaR+, dd HCl D.$h% Cl2, dd Ra2B, dd HR+C=2 1Q. RH-B.11J.Cho ,"2 gam hh NJt gm Cu 0 Ag t lS mol t~ng ng 4) 0o += mldd gm H2B4=,*M 0 dd HR+2M, sau $h# c-c phn ng K3 ra hon ton, thu c a mol $h%RB' du3 nht c:a R*& ErJn a mol R tr\n 01# =, mol 2thu c hh $h% Q& Cho ton NJQ t-c d/ng 01# H2, thu c *= ml dd c7 pH & 8#- tr9 c:a l)A.2 B.4 C.+ D.?. DNG BI TP XIT K4 $)F4 !4# HC$% !4# H&'O($)*+,.

+){)!4# |. +H&OB d/ng ph~ng ph-p tVng g#m $h(# lng&

C7 thG Kem phn ng l) 2H H2 w

1# aK#t HCl w

1# aK#t H2B4lo;ng w

C=2 1RH-AQJ. Ho tan hon ton 2," gam hh c-c 5K#t Fe2+, Mg, .n trong *== ml ddH2B4=,M 0Pa :& Bau phn ng, hh sunDat $han thu c $h# c5 c6n dd c7 $h(# lng l)A. !," B.4," C.*," D.*,"

234 )!4# &%?.+HC$ )!4# ??.+H&???.+H&O

234 )!4# Q.+H&'O(


18/22

C=2 &.CR-AQJ.G ho tan hon ton 2,+2 gam hh gm Fe, Fe+ 0 Fe2+trong 7 s( molFe s( mol Fe2, cIn d}ng 0Pa : l#t dd HCl M& 8#- tr9 c:a l)A.=,! l#t B.," C.=,2+ D. =,="C=2 >.CR-AQJ. Cho 2,+ gam hh gm Na $#m lo6# l Mg, Cu 0 Al f d6ng NJt t-c d/nghon ton 01# 5K#, thu c hh Q gm c-c 5K#t c7 $h(# lng +,++ gam& EhG t%ch dd HCl 2M 0Pa

: G phn ng ht 01# Q l)A.*= ml B.* C. * D.>=C=2 (.CR-BQJ.Cho >,2 gam hh gm Fe, Fe2+, Fe+4t-c d/ng 01# dd HCl d& Bau $h# c-cphn ng hon ton, c dd QW c5 c6n dd Q thu c ,!2 gam FeCl20 m gam FeCl+& 8#- tr9c:a m l)A. >,* B.",* C.," D.!,*C=2 (.CR-A%BQJ.Ho tan hon ton Fe+4trong dd H2B4lo;ng d c dd & Cho lngd NJt Fe 0o dd 2trong $ $h5ng c7 $h5ng $h% n $h# phn ng K3 ra hon ton, thu cdd 2cha c-c cht tan l)

A.Fe2B4+, H2B4B.FeB4C.Fe2B4+D.FeB4, H2B4C=2 ?.CR-A%BQJ.Cho gam hh gm Fe, Fe2+, Fe+40o lng 0Pa : dd HCl 2M,thu c dd Q c7 t lS s( mol Fe20 Fe+l )2& Ch#a Q thnh 2 phIn NOng nhau& C5 c6n phIn thu c 1gam mu(# $han& B/c $h% clo d 0o phIn 2, c5 c6n dd sau phn ng th c &gammu(# $han& Y#t &} 1 Q%1& EhG t%ch dd HCl ; d}ng l)A.24= ml B."= C.+2= D.!=C=2 @. CR-A%B.J.Rung n7ng !," gam hh gm Au, Ag, Cu, Fe, .n 01# lng d $h% 2, n$h# c-c phn ng K3 ra hon ton, thu c 2+,2 gam cht rn & EhG t%ch dd HCl 2M 0Pa : Gphn ng 01# cht rn l)A. 4==ml B.2== C."== D.!==

C=2 . RH-B.1QJ.ErJn =," gam NJt nh5m Al 01# +4," gam NJt Fe+4r# t#n hnh phn ngnh#St nh5m trong $ $h5ng c7 $hong $h% & Ho tan hon ton hh rn sau phn ng NOng ddH2B4lo;ng d, thu op?c =,*2 l#t H2$tc& H#Su sut phn ng nh#St nh5m l)A."=X B.>=X C.=*X D.!=XC=2 .H&Y{=& HZn hp gm Cu 0 Fe2+& Ho tan hon ton 44 gam NOng dd HCl d,sau phn ng thu c dd cha "*,2* gam mu(#& Mit $h-c, nu $h hon ton 22 gam NOngC d, cho hh $h% thu c sau phn ng lJ# tP tP [ua dd YaH2d th] thu c m gam $tt:a& 8#- tr9 c:a m l)A.!,** B. +,"* C.4,* D.","*C=2 .C&A{=& Cht rn phn ng 01# dd HCl c dd Q& Cho tP tP dd RH+n d 0o ddQ, Nan Iu Kut h#Sn $t t:a Kanh, sau 7 $t t:a tan, thu c dd mu Kanh thm& Cht l)A.Cu B.Fe C.Fe D.CuC=2 1Q.H&A{& Cho hh gm Fe2+, .n 0 Cu t-c d/ng 01# ddHCl d thu c Q 0phIn $h5ng tan .& Cho Q t-c d/ng 01# dd RaH lo;ng, d thu c )A.FeH+B.FeH+0 .nH2C.FeH2, CuH20 .nH2D.FeH20 CuH2


19/22

@. DNG BI TP KIM LOI MsI

C=2 1C&A{="& Cho hh NJt gm 2, gam Al 0 *,! gam Fe 0o *== ml dd AgR +M& Bau $h#c-c phn ng K3 ra hon ton, thu c m gam cht rn& 8#- tr9 c:a m l)

A.+2,4 B.!4," C.*>,4 D.*4,=C=2 &C&Y{="& E#n hanh 2 th% ngh#Sm sau)Eh% ngh#Sm ) Cho m gam NJt Fe d 0o l%t dd CuR+2M&Eh% ngh#Sm 2) Cho m gam NJt Fe d 0o 2l%t dd AgR+=,2M&Bau $h# c-c phn ng K3 ra hon ton, $h(# lng cht rn thu c f 2 th% ngh#Sm tr\n uNOng nhau& 8#- tr9 c:a so 01# 2l)A. 2B. =2C. *2D. 22C=2 >C&Y{ ="& Cho lng NJt .n 0o dd gm FeCl20 CuCl2& 'h(# lng cht rn sau$h# c-c phn ng K3 ra hon ton nhq h~n $h(# lng NJt .n Nan Iu l =,* gam& C5 c6n cjn

thn dd sau phn ng thu c +,! gam mu(# $han& EUng $h(# lng c-c mu(# trong l)A.+, B. C.>,* D.4,C=2 (C&A,Y{="& Cho hh NJt Al, Fe 0o dd cha CuR+20 AgR+& Bau $h# c-c phn ngK3 ra hon ton, thu c hh rn gm + $#m lo6# l)A.Fe, Cu, Ag B.Al, Cu, Ag C.Al, Fe, Cu D.Al, Fe, AgC=2 ?C&A,Y{=>& Cho mgam Al 0o == ml dd gm CuR+2=,+M 0 AgR+=,+M& Bau$h# c-c phn ng K3 ra hon ton th] thu c m2gam cht rn & Ru cho m2gam t-c d/ng01# lng d dd HCl th] thu c =,++! l#t $h% f $tc& 8#- tr9 c:a m0 m2lIn lt l)A.",W *,4+ B.,="W *,4+ C.=,*4W *,! D.,="W *,!C=2 @C&A,Y{=>& Cho m gam Mg 0o dd cha =,2 mol FeCl+& Bau $h# c-c phn ng K3 ra

hon ton thu c +,+! gam cht rn& 8#- tr9 c:a m l)A.2,! B.*,=4 C.4,+2 D.2,""C=2 C&A,Y{=>& Rhng l- $#m lo6# Mch c7 ho- tr9 ha# trong hp cht c7 $h(# lng *=gam 0o 2== ml dd AgR+M cho n $h# phn ng K3 ra hon ton& `


20/22

C.FeR+20 AgR+D.AgR+0 .nR+2C=2 11H&A{=>& Cho hh gm ,2 mol Mg 0 K mol .n 0o dd cha 2 mol Cu20 mol Agn $h# c-c phn ng K3 ra hon ton, thu c dd cha Na #on $#m lo6#& Erong c-c g#- tr9 sauT3, g#- tr9 no cu K tho m;n trng hp tr\n_A.,2 B.2,= C.,* D.,"

C=2 1&H&A{=& Cho >,+ gam hh NJt .n 0 Cu c7 t lS mol t~ng ng l ) 2 0o dd cha =,2mol Fe2B4+& Bau $h# c-c phn ng K3 ra hon ton, thu c m gam $#m lo6#& 8#- tr9 c:a ml)A.2 B.!,*+ C.!,4 D.2,"C=2 1>H&Y{=& Cho =,+ mol NJt Cu 0 =,! mol FeR+20o dd cha =,> mol H2B4lo;ng&Bau $h# c-c phn ng K3 ra hon ton, thu c l%t $%o R $tc, sn phjm $h du3 nht& 8#-tr9 c:a l)A.!,2 B.",>! C.4,4" D.=,="C=2 1(C&A{=& Cho 2>," gam hh NJt gm .n 0 Fe 0o !== ml dd CuB4=,*M& Bau $h# c-c

phn ng K3 ra hon ton, thu c dd 0 +=,4 gam hh $#m lo6#& hIn trVm 0 $h(# lng c:aFe trong hh Nan Iu l)A.+,*"X B.!4,42X C.4+,!2X D.*!,+XC=2 1?H&A{& Cho 2, gam hh NJt gm Fe, .n t-c d/ng 01# dd CuB4& Bau th# g#anthu c dd Q 0 2,"4 gam cht rn .& Cho ton NJ . 0o dd H2B4lo;ng d, sau $h# c-c phnng $t thc th] $h(# lng cht rn g#m =,2" gam 0 dd thu c ch cha mu(# du3 nht&hIn trVm $h(# lng c:a Fe trong l)A.4,4"X B.*,"*X C.4",*X D.*",*2XC=2 1@H&Y{& Cho m gam NJt .n 0o *== ml dd Fe2B4+=,24M& Bau $h# c-c phn ngK3 ra hon ton, $h(# lng dd tVng th\m >,! gam so 01# $h(# lng dd Nan Iu& 8#- tr9 c:a m

l)A.2=," B.2>,2* C.4",* D.+2,*C=2 1H&Y{& Cho m gam NJt Cu 0o 4== ml dd AgR+=,2M, sau th# g#an phn ng thuc ,! gam hh cht rn 0 dd Q& `& Cho s~ sau) Cu dd mu(# $h5ng phn ngWCu dd mu(# Q $h5ng phn ngW Cu dd mu(# dd mu(# Q phn ng&

1# , Q l mu(# c:a natr#& 3 , Q c7 thG l )A.RaAl2, RaR2B.RaR+, RaHB4C.RaR+, RaHC+D.RaR2, RaHB4. DNG BI TP NHIcT PH~N MsI.Rh#St phTn mu(# R#trat) '#m lo6# $#m ', Ra 2RaR+ 2RaR2 2Mu(# c:a c-c $#m lo6# $h-c .n, Al, Fe, Cu FeR++ Fe2+ R2 2Mu(# c:a Ag, Au, Hg AgR+ Ag R2 2C=2 1C&Y{="& Rh#St phTn hon ton 4= gam hh lo6# [uing 5l5m%t c7 ln t6p cht tr~, s#nh


21/22

ra ",>! l%t $h% C2$tc& Ehnh phIn X 0 $h(# lng c:a CaC+0 MgC+trong lo6# [uingtr\n l)A.4=X B.*=X C."4X D.>2XC=2 &C&A,Y{="& Rh#St phTn hon ton +4,!* gam hh gm 'R+0 CuR+2thu c hh$h% , c7 t $h(# h~# so 01# H2l ","& 'h(# lng c:a CuR+2trong hh Nan Iu l)

A.2=,* B.,2" C.>,4 D.",!C=2 >H&Y{=>& 'h# nh#St phTn hon ton tPng mu(# , Q th] u t6o ra s( mol $h% $h% nhqh~n s( mol mol mu(# t~ng ng& (t lng nhq t#nh thG Q tr\n n $h% $h5ng mu, th3 ng& 'h# nh#St phTn hon ton == gam hh mZ# cht sau) 'cl+Kc t-c Mn2,'Mn4, 'R+0 AgR+& Cht t6o ra lng 2l1n nht l)A.'Mn4B.'Cl+C.'R+D.AgR+C=2 ?H&A{=>& Rung !,*" gam CuR+2trong N]nh $%n $h5ng cha $h5ng $h%, sau th#

g#an thu c 4,>! gam cht rn 0 hh $h% & Hp th/ hon ton 0o n1c G c +== ml ddQ& ung d9ch Q c7 pH NOng)A. B.4 C.+ D.2C=2 @H&A{=>& Ru cho mZ# cht) CaCl2, 'Mn4, '2Cr2, Mn2lIn lt phn ng 01#lng d dd HCl ic, ch-t t6o ra lng $h% Cl2nh#u nhTt l)A.CaCl2B.'Mn4C.'2Cr2D.Mn2C=2 H&Y{& Eh?c h#Sn c-c th% ngh#Sm sau)a& Rung RH4R+rn N& un n7ng RaCl t#nh thG 01# dd H2B4icc& B/c $h% Cl20o dd RaHC+d& B/c $h% C20o dd CaH2de& B/c $h% B20o dd 'Mn4g& Cho dd 'HB40o dd RaHC+

h& Cho NB 0o dd HCl lo;ng #& Cho Ra2B+0o dd H2B4d, un n7ngB( th% ngh#Sm s#nh ra cht $h% l)A.4 B.! C.* D.2C=2 H&Y{& HZn hp gm FeR+2, CuR+20 AgR+& Ehnh phIn X $h(# lng c:an#t~ trong l ,"!4X& C7 thG #u ch c t(# a Nao nh#\u gam hh + $#m lo6# tP 4,! gam_A.=,*! B.+,+! C.,!" D.!,2C=2 H&Y{& Rh#St phTn hon ton 4,+"* gam hh gm 'Cl+, 'Mn4, thu c 20 mgam cht rn gm '2Mn4, Mn20 'Cl& Eon NJ lng 2t-c d/ng ht 01# cacNon n7ng q,thu c =,">! l%t hh $h% Q $tc c7 t $h(# h~# so 01# H 2l !& Ehnh phIn Xtheo $h(# lng c:a'Mn4trong l)A.4,>2X B.2,=!X C.2,>4X D.!2,!XC=2 1QH&Y{& Rh#St phTn lng AgR+c cht rn 0 hh $h% Q& n ton NJ Q 0o lng d H2, thu c dd .& Cho ton NJ 0o ., ch tan phIn 0 tho-t ra $h% R snphjm $h du3 nht& Y#t c-c phn ng K3 ra hon ton& hn X $h(# lng c:a ; phn ngl)A.=X B.2*X C.!=X D.*X


22/22

. DA VO Cts TO NGsbN Tu3 F# Z%+%;J.

C=2 1C&A,Y{=>&MJt ngu3\n t c:a ngu3\n t( c7 tUng s( h6t proton, n~tron, electron l*2 0 c7 s( $h(# l +*& B( h#Su ngu3\n t c:a ngu3\n t( l)A." B.2+ C. D.*

C=2 &H&A{=>&Rgu3\n t c:a ngu3\n t( c7 cu h]nh electron l1p ngo# c}ng l ns2np4&Erong hp cht $h% c:a ngu3\n t( 01# H#r5, ch#m >4,2X 0 $h(# lng& hIn trVm $h(#lng c:a ngu3\n t( trong 5K#t cao nht l)A.*=X B.4= C.2,2 D.!=C=2 >H&A{=>& Cu h]nh electron c:a #on 2l s22s22p!+s2+p!+d!& Erong Nng EH, ngu3\nt( thuJc)A.chu $| 4, nh7m kkA B.chu $| 4, nh7m kkkYC.chu $| 4, nh7m kkkA D.chu $| +, nh7m kYC=2 (H&Y{=& MJt #on M+c7 tUng s( h6t p,n,e l >, trong 7 s( h6t mang d#Sn nh#u h~n s(

h6t $h5ng mang #Sn l >& Cu h]nh e c:a ngu3\n t M l)A.Ar +d*4sB.Ar +d!4s2C.Ar +d!4sD.Ar +d+4s2

C =2 ?C&A{=& C-c $#mlo6# , Q, . c7 cu h]nh e ngu3\n t lIn lt l) s22s22p!+s,s22s22p!+s2, s22s22p!+s2+p& ;3 gm c-c $#m lo6# Kp theo ch#u tVng dIn t%nh $h tP tr-# sangph# l)A.Q,., B..,,Q C.,Q,. D..,Q,C=2 @&H&A{& {2 Cau h]nh c:a #on Cu20 Cr+lIn lt l)A.Ar +d>0 +d+B.Ar +d>0 +d4s2

C.Ar +d0 +d4s2D.Ar +d0 +d+

C=2 .C&A{& 2Erong Nng EH ngu3\n t( f nh7m kkA, ngu3en t( Q f nh7m A.C5ng

thc c:a hp cht t6o thnh tP 2 ngu3\n t( tr\n c7 d6ng l)A.2Q+B.2Q*C.+Q2D.*Q2

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