Solubility Products

Table of Contents

This page contains several tables detailing the standard solubility products for several different substances. The table has been separated by substance, as listed below:

Aluminum Chromium Magnesium Silver
Barium Cobalt Manganese Strontium
Bismuth Copper Mercury Thallium
Cadmium Iron Nickel Tin
Calcium Lead Potassium Zinc

Aluminum

Substance Ksp at 25 °C
Al(OH)3 2×10−32

(Back to Top)

Barium

Substance Ksp at 25 °C
BaCO3 1.6×10−9
BaC2O4•2H2O 1.1×10−7
BaSO4 2.3×10−8
BaCrO4 8.5×10−11
BaF2 2.4×10−5
Ba(OH)2•8H2O 5.0×10−3
Ba3(PO4)2 6×10−39
Ba3(AsO4)2 1.1×10−13

(Back to Top)

Bismuth

Substance Ksp at 25 °C
BiO(OH) 4×10−10
BiOCl 1.8×10−31
Bi2S3 1×10−97

(Back to Top)

Cadmium

Substance Ksp at 25 °C
Cd(OH)2 5.9×10−15
CdS 1.0×10−28
CdCO3 5.2×10−12

(Back to Top)

Calcium

Substance Ksp at 25 °C
Ca(OH)2 1.3×10−6
CaCO3 8.7×10−9
CaSO4•2H2O 6.1×10−5
CaC2O4•H2O 1.96×10−8
Ca3(PO4)2 1.3×10−32
CaHPO4 7×10−7
CaF2 4.0×10−11

(Back to Top)

Chromium

Substance Ksp at 25 °C
Cr(OH)3 6.7×10−31

(Back to Top)

Cobalt

Substance Ksp at 25 °C
Co(OH)2 2.5×10−16
CoS(α) 5×10−22
CoS(β) 3×10−26
CoCO3 1.4×10−13
Co(OH)3 2.5×10−43

(Back to Top)

Copper

Substance Ksp at 25 °C
CuCl 1.2×10−6
CuBr 6.27×10−9
CuI 1.27×10−12
CuSCN 1.6×10−11
Cu2S 2.5×10−48
Cu(OH)2 2.2×10−20
CuS 8.5×10−45
CuCO3 2.5×10−10

(Back to Top)

Iron

Substance Ksp at 25 °C
Fe(OH)2 1.8×10−15
FeCO3 2.1×10−11
FeS 3.7×10−19
Fe(OH)3 4×10−38

(Back to Top)

Lead

Substance Ksp at 25 °C
Pb(OH)2 1.2×10−15
PbF2 4×10−8
PbCl2 1.6×10−5
PbBr2 4.6×10−6
PbI2 1.4×10−8
PbCO3 1.5×10−15
PbS 7×10−29
PbCrO4 2×10−16
PbSO4 1.3×10−8
Pb3(PO4)2 1×10−54

(Back to Top)

Magnesium

Substance Ksp at 25 °C
Mg(OH)2 8.9×10−12
MgCO3•3H2O ca1×10−5
MgNH4PO4 3×10−13
MgF2 6.4×10−9
MgC2O4 7×10−7

(Back to Top)

Manganese

Substance Ksp at 25 °C
Mn(OH)2 2×10−13
MnCO3 8.8×10−11
MnS 2.3×10−13

(Back to Top)

Mercury

Substance Ksp at 25 °C
Hg2O•H2O 3.6×10−26
Hg2Cl2 1.1×10−18
Hg2Br2 1.3×10−22
Hg2I2 4.5×10−29
Hg2CO3 9×10−15
Hg2SO4 7.4×10−7
Hg2S 1.0×10−47
Hg2CrO4 2×10−9
HgS 1.6×10−54

(Back to Top)

Nickel

Substance Ksp at 25 °C
Ni(OH)2 1.6×10−16
NiCO3 1.4×10−7
NiS(α) 4×10−20
NiS(β) 1.3×10−25

(Back to Top)

Potassium

Substance Ksp at 25 °C
KClO4 1.05×10−2
K2PtCl6 7.48×10−6
KHC4H4O6 3×10−4

(Back to Top)

Silver

Substance Ksp at 25 °C
21Ag2O(Ag++OH−) 2×10−8
AgCl 1.6×10−10
AgBr 5.0×10−13
AgI 1.5×10−16
AgCN 1.2×10−16
AgSCN 1.0×10−12
Ag2S 1.6×10−49
Ag2CO3 8.1×10−12
Ag2CrO4 9.0×10−12
Ag4Fe(CN)6 1.55×10−41
Ag2SO4 1.2×10−5
Ag3PO4 1.8×10−18

(Back to Top)

Strontium

Substance Ksp at 25 °C
Sr(OH)2•8H2O 3.2×10−4
SrCO3 7×10−10
SrCrO4 3.6×10−5
SrSO4 3.2×10−7
SrC2O4•H2O 4×10−7

(Back to Top)

Thallium

Substance Ksp at 25 °C
TlCl 1.7×10−4
TlSCN 1.6×10−4
Tl2S 6×10−22
Tl(OH)3 6.3×10−46

(Back to Top)

Tin

Substance Ksp at 25 °C
Sn(OH)2 3×10−27
SnS 1×10−26
Sn(OH)4 1.0×10−57

(Back to Top)

Zinc

Substance Ksp at 25 °C
ZnCO3 2×10−10

(Back to Top)