Means
of
Expressing
Reliability
found;
however,
that
duplicate
analyses
a com-
nearer
zero
than
to
any
figures,
including
the
zeros,
are
significant.
in
the same
horizontal line
-xi
problem
and
merely
writing
point
is
then
determined
by
a
simple
on
means of
position
of
the
initial
and
final
products
to
express
the
reactions
in
the
form
of
balanced
equations.
10.
Types
hydrogen
sulfide
to
an
acid
solution
of
copper
sulfate
gives
a
precipitate
of
copper
sulfide:
Cu++
weight
and
that
percentage
by-weight
basis
and
expresses
concentration
in
terms
of
grams
of
solute
per
100
grams
of
solution.
A
5
per
cent
of
sodium
chloride
is
made
by
dissolving
5
grams
weight;
the
gram-equivalent
weight
is
a
precipitation
is
that
weight
in
grams
of
1
molar.
ACIDS
in order
4
OH
required
to
neutralize
HC1
pOH
value
quantity
of
sodium
solution
of
ammonium
hydroxide.
The
common
ion,
NH4
4
by
multiplying
of NH
saturated
solution
that
is
B
in 100
3
acetate-iori con-
number
of
grams
of
acid
that
would
have
been
tetrachloride,
what
percentage
of
the
bromine
is
removed
from
the
A
of
acid
that
ions;
tions.
In
order
potential.
A
substance
may
be
present
that
is
capable
of
forming
a
complex
ion
0.0591
value
as its true
milligram
the
weight
in
vacuo
be
1.0000
X
r
=1.0000
X
2
the atomic
weights
of
bismuth
oxide
obtainable
chemical
factor.
Other
ratios
may
be
inserted
are
grams
of
pure
Na
2
CO
3
solution
(56.0
grams
of
solid
per
liter).
This
which
when
absorbed
in
water
to the
potassium
weighing
0.2172
gram
is
obtained.
These
is
that
a
solution
containing
0.42
gram
of
copper,
0.20
gram
of
lead,
N
acid?
analysis
as
reported?
Ans.
A
electricity.
rule
will
type.
Give
the
is
1,000
X
0.000026(25
in
the
graduations.
Calculate
116.3
ml.?
Arts.
2.141
N,
1.841
N.
460.
If
a
sample
of
NaOH
contains
2.00
per
cent
by
of
Na
2
CO
3
and
6.00
per
cent
by
weight
of
H
2
O
and
if
40.0
grams
are
a
solution
containing
98.53
ml.
0.1372 normal
alkali. The
dilute
H
2
SO
4
and
titrating
day,
1
X
0.2000
X
0.03100
x
IOQ
normality
data
given,
and
there
the
proportion
analysis
for
the
purpose
of
detecting
the
point
the
type
of
indicator
a
titration
is
stopped
the
general
being
titrated;
the
base,
or
HCl+NaOH
calculating
the
pH
value
at
the
equivalence
point
that
point
the
pH
682.
monoacidic
base
with
HC1,
with
methyl
suited
for
this
titration,
constant of 6.6
of
the
given,
identify
the
respective
any
possible
combinations
of
the
following
substances:
HC1,
Na
2
ITPO
4
++
>
2
gas.
oxidized
to
CO
2
as
solution
gives
2
oxalate
ions
which
are
oxidized
free
sulfur,
the
change
the
following
a
oxalate)
is
added,
and,
after
reduction
is
complete,
the
excess
reduc-
vx
KHC2O4.H2C2O4.2H2O
titrated
directly
with
KMnO
4
in
a
solution
kept
ml. of
4
(1.000
ml.
=c=
0.3000
ml.
of
potassium
tetroxalate
solution
milliliter
of
the
KMnO
4
in
grams
of
CaO,
and
(d)
excess
ferrous
ions
require
is the
oxidizing
dichromate
equivalent
to
4
if
ferric state?
(i.e.,
6
gram-atoms
2
O
3
2
S
and
eventually
titrated
in
the
presence
of
acid
with
standard
iodine
solution
(1.00
ml.
o
0.004945
gram
As
2
O
3
standard
potassium
iodate-iodide
solution
ml.
that
is
treated
with
49.80
ml.
of
KCN
solution
(0.007810
gram
per
milliliter)
and
the
excess
follows: 3ZnCl
if
cessfully
function of
regular
calomel
half
cell,
0.825 volt. What is
against
the
sulfate
(diluted
with
water)
sponding
volumes
of
potential
as
ordinates
against
milliliters
titrated
with
0.200
N
contain-
ing
one
gram-equivalent
weight
of
dissolved
electrolyte
between
electrodes
1
cm.
apart.
It
decreases
rapidly.
At
the
equivalence
point,
of the
760
X
y8
pressure.
Combustion
in
oxygen
20C. and
titrated with standard
standard
KIO
S
(2As+++
2
a
ml.,
what
would
milligrams
of
KMnO
4
and
of
FeCU
ion
concentration
pressure.
and
what
volume
of
0.05000
N
KCNS
319,
323,
362,
4
. An
to
titrated
by
means
and
plot
the
titration
HC1 under similar
the
cooled
solution,
and
the
solution
ferrous
sulfate
solution,
and
a small
0.333
N
analysis
so
4
for
reoxidation
weights
(5.00
grams)
of
sample
thiosulfate
solution
having
two-thirds
the
normality
as
a
tetroxalate
will
reduce
in
acid
standard
KIO
3
according
4
OH
and
(6)
after reduction.
KMnO
4
required
in
three
determinations
were
9.77,
9.75,
and
9.79.
Total
Phosphorus.
KIO
3
per square
foot of
II
2
S
analysis.
The
sample
should
carry
its
yellow,
or
one
hour
in
the
dark.
The
solute
was
diluted
a test
acid;
(e)
milli-
liters
It is
significant figures.
\
0.2446
gram
Sample
1
-TO
IN
VACXTO.
(Continued)
(According
to
G.
Lunge)