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Solubility Product Constant DataSolubility Product Constants for Some Inorganic Compounds at 25C
Substance KSP Substance KSP
Aluminum compounds
Lead compounds
AlAsO4 1.6 10–16 Pb3(AsO4)2 4.1 x 10–36
Al(OH)3 1.9 x 10–33 PbBr2 6.3 x 10–6
AlPO4 1.3 x 10–20 PbCO3 1.5 x 10–13
Antimony compounds
PbCl2 1.7 x 10–5
Sb2S3 1.6 x 10–93 PbCrO4 1.8 x 10–14
Barium compounds
PbF2 3.7 x 10–8
Ba3(AsO4)2 1.1 x 10–13 Pb(OH)2 2.8 x 10–16
BaCO3 8.1 x 10–9 PbI2 8.7 x 10–9
BaC2O4·2H2O* 1.1 x 10–7 Pb3(PO4)2 3.0 x 10–44
BaCrO4 2.0 x 10–10 PbSeO4 .5 x 10–7
BaF2 1.7 x 10–6 PbSO4 1.8 x 10–8
Ba(OH)2·8H2O* 5.0 x 10–3 PbS 8.4 x 10–28
Examples of Precipitation Reactions2+ 2- -14
( s) ( aq) ( aq)4 4 SPPbCrO Pb +CrO K =1.8×10 2+ 2- -28
( s) ( aq) ( aq) SPPbS Pb +S K =8.4×10 3 38
( s ) ( aq) ( aq)3 SPFe( OH) Fe 3OH K 6.3 10 2 12
( s ) ( aq) ( aq)2 4 4 SPAg CrO 2Ag CrO K 9.0 10
Complex Formation Equilibrium Constants
+ - - 52 F
+ 2- 2- 3- 132 3 2 3 2 F
+ - - 182 F
+ + 73 3 2 F
2+ 2+ 113 3 4 F
2+ - 2- 254 F
2+ -
Ag +2Cl [AgCl ] K =2.5×10
Ag +2S O [Ag( S O ) ] K =2.0×10
Ag +2CN [Ag( CN) ] K =5.6×10
Ag +2NH [Ag( NH ) ] K =1.6×10
Cu +4NH [Cu( NH ) ] K =9.0×10
Cu +4CN [Cu( CN) ] K =1.0×10
Cd +4CN
2- 164 F[Cd( CN) ] K =7.1×10
2+ - 2- 64 F
2+ - 2- 164 F
2+ - 2- 304 F
2+ - 2- 414 F
3+ 3+ 313 3 6 F
2+ 2+ 93 3 4 F
Cd +4I [CdI ] K =2.0×10
Hg +4Cl [HgCl ] K =1.7×10
Hg +4I [HgI ] K =2.0×10
Hg +4CN [Hg( CN) ] K =2.5×10
Co +6NH [Co( NH ) ] K =5.0×10
Zn +4NH [Zn( NH ) ] K =2.9×10