|
Solubility product constant
(Ksp) - the constant for the solubility equilibrium
of a nearly insoluable or slightly soluable ionic compound.
|
|
Substance
|
Formula
|
Ksp
|
Aluminum hydroxide
|
Al(OH)3
|
4.6 x 10-33
|
Barium carbonate
|
BaCO3
|
2.6 x 10-9
|
Barium chromate
|
BaCrO4
|
1.2 x 10-10
|
Barium fluoride
|
BaF2
|
1.0 x 10-6
|
Barium sulfate
|
BaSO4
|
1.1 x 10-10
|
Bismuth sulfide
|
Bi2S3
|
1.8 x 10-99
|
Cadmium carbonate
|
CdCO3
|
6.2 x 10-12
|
Cadmium hydroxide
|
Cd(OH)2
|
5.3 x 10-15
|
Cadmium iodate
|
Cd(IO3)2
|
2.4 x 10-8
|
Cadmium oxalate
|
CdC2O4
|
1.5 x 10-8
|
Cadmium sulfide
|
CdS
|
8.0 x 10-27
|
Calcium carbonate
|
CaCO3
|
3.8 x 10-9
|
Calcium flouride
|
CaF2
|
3.4 x 10-11
|
Calcium hydroxide
|
Ca(OH)2
|
7.9 x 10-6
|
Calcium oxalate
|
CaC2O4
|
1.5 x 10-8
|
Calcium phosphate
|
Ca3(PO4)2
|
1.0 x 10-26
|
Calcium sulfate
|
CaSO4
|
2.4 x 10-5
|
Cobalt(II) hydroxide
|
Co(OH)2
|
1.1 x 10-15
|
Cobalt(II) sulfide
|
CoS
|
4.0 x 10-21
|
Copper(I) bromide
|
CuBr
|
6.2 x 10-9
|
Copper(I) chloride
|
CuCl
|
1.7 x 10-7
|
Copper(I) iodide
|
CuI
|
1.3 x 10-12
|
Copper(I) sulfide
|
Cu2S
|
2.2 x 10-48
|
Copper(I) thiocyanate
|
CuSCN
|
3.4 x 10-16
|
Copper(II) hydroxide
|
Cu(OH)2
|
2.6 x 10-19
|
Copper(II) iodate
|
Cu(IO3)2
|
6.8 x 10-8
|
Copper(II) oxalate
|
CuC2O4
|
4.4 x 10-10
|
Copper(II) sulfide
|
CuS
|
6.0 x 10-36
|
Iron(II) hydroxide
|
Fe(OH)2
|
4.8 x 10-17
|
Iron(II) hydroxide
|
Fe(OH)2
|
8.0 x 10-16
|
Iron(II) sulfide
|
FeS
|
6.0 x 10-18
|
Iron(III) hydroxide
|
Fe(OH)3
|
2.5 x 10-39
|
Lead arsenate
|
Pb3(AsO4)2
|
4.0 x 10-36
|
Lead bromide
|
PbBr2
|
6.6 x 10-6
|
Lead carbonate
|
PbCO3
|
1.5 x 10-13
|
Lead chloride
|
PbCl2
|
1.6 x 10-5
|
Lead chromate
|
PbCrO4
|
1.8 x 10-14
|
Lead fluoride
|
PbF2
|
1.1 x 10-7
|
Lead hydroxide
|
Pb(OH)2
|
1.4 x 10-20
|
Lead iodate
|
Pb(IO3)2
|
3.6 x 10-13
|
Lead iodide
|
PbI2
|
6.5 x 10-9
|
Lead oxalate
|
PbC2O4
|
8.6 x 10-10
|
Lead sulfate
|
PbSO4
|
1.7 x 10-8
|
Lead sulfide
|
PbS
|
2.5 x 10-27
|
Lithium carbonate
|
Li2CO3
|
1.1 x 10-3
|
Magnesium arsenate
|
Mg3(AsO4)2
|
2.0 x 10-20
|
Magnesium carbonate
|
MgCO3
|
1.0 x 10-5
|
Magnesium fluoride
|
MgF2
|
8.4 x 10-8
|
Magnesium hydroxide
|
Mg(OH)2
|
1.8 x 10-11
|
Magnesium oxalate
|
MgC2O4
|
8.5 x 10-5
|
Manganese(II)
carbonate
|
MnCO3
|
2.2 x 10-11
|
Manganese(II)
hydroxide
|
Mn(OH)2
|
2.0 x 10-13
|
Manganese(II)
iodate
|
Mn(IO3)2
|
4.2 x 10-7
|
Manganese(II)
oxalate
|
MnC2O4
|
1.7 x 10-7
|
Manganese(II)
sulfide
|
MnS
|
2.5 x 10-10
|
Mercury(I) bromide
|
Hg2Br2
|
6.4 x 10-23
|
Mercury(I) chloride
|
Hg2Cl2
|
1.3 x 10-18
|
Mercury(I) iodide
|
Hg2I2
|
5.3 x 10-29
|
Mercury(I) sulfate
|
Hg2SO4
|
8.0 x 10-7
|
Mercury(II)
iodide
|
HgI2
|
2.9 x 10-29
|
Mercury(II)
sulfide
|
HgS
|
1.6 x 10-52
|
Nickel hydroxide
|
Ni(OH)2
|
2.0 x 10-15
|
Nickel sulfide
|
NiS
|
3.0 x 10-19
|
Nickel(II) carbonate
|
NiCO3
|
1.4 x 10-7
|
Nickel(II) iodate
|
Ni(IO3)2
|
4.7 x 10-5
|
Silver(I) acetate
|
AgC2H3O2
|
2.0 x 10-3
|
Silver(I) bromate
|
AgBrO3
|
9.3 x 10-5
|
Silver(I) bromide
|
AgBr
|
5.0 x 10-13
|
Silver(I) carbonate
|
Ag2CO3
|
8.6 x 10-12
|
Silver(I) chloride
|
AgCl
|
1.8 x 10-10
|
Silver(I) chromate
|
Ag2CrO4
|
1.1 x 10-12
|
Silver(I) iodate
|
AgIO3
|
3.2 x 10-8
|
Silver(I) iodide
|
AgI
|
8.3 x 10-17
|
Silver(I) oxalate
|
Ag2C2O4
|
5.4 x 10-12
|
Silver(I) phosphate
|
Ag3PO4
|
1.0 x 10-16
|
Silver(I) sulfate
|
Ag2SO4
|
1.2 x 10-5
|
Silver(I) sulfide
|
Ag2S
|
6.0 x 10-50
|
Silver(I) thiocyanate
|
AgSCN
|
1.0 x 10-12
|
Strontium carbonate
|
SrCO3
|
9.3 x 10-10
|
Strontium chromate
|
SrCrO4
|
1.1 x 10-12
|
Strontium oxalate
|
SrC2O4
|
1.5 x 10-7
|
Strontium sulfate
|
SrSO4
|
2.5 x 10-7
|
Tin(II) sulfide
|
SnS
|
3.2 x 10-28
|
Zinc hydroxide
|
Zn(OH)2
|
2.1 x 10-16
|
Zinc oxalate
|
ZnC2O4
|
1.4 x 10-9
|
Zinc sulfide
|
ZnS
|
1.1 x 10-21
|
|
|
|