Appendix L | Solubility Products of Common Salts
|
Solubility Products |
|
|
Substance |
Ksp at 25°C |
|
Aluminum |
|
|
Al(OH)3 |
2 × 10-32 |
|
Barium |
|
|
BaCO3 |
2.58 × 10-9 |
|
BaC2O4∙2H2O |
1.1 × 10-7 |
|
BaSO4 |
1.08 × 10-10 |
|
BaCrO4 |
1.17 × 10-10 |
|
BaF2 |
1.84 × 10-7 |
|
Ba(OH)2∙8H2O |
2.55 × 10-4 |
|
Ba3(PO4)2 |
6 × 10-39 |
|
Ba3(AsO4)2 |
1.1 × 10-13 |
|
Bismuth |
|
|
BiO(OH) |
4 × 10-10 |
|
BiOCl |
1.8 × 10-31 |
|
Bi2S3 |
1 × 10-97 |
|
Cadmium |
|
|
Cd(OH)2 |
7.2 × 10-15 |
|
CdS |
1.0 × 10-28 |
|
CdCO3 |
1.0 × 10-12 |
|
Calcium |
|
|
Ca(OH)2 |
5.02 × 10-6 |
|
CaCO3 |
3.36 × 10-9 |
|
CaSO4∙2H2O |
3.14 × 10-5 |
|
CaC2O4∙H2O |
2.32 × 10-9 |
|
Ca3(PO4)2 |
2.07 × 10-33 |
|
CaHPO4 |
7 × 10-7 |
|
CaF2 |
3.45 × 10-11 |
|
Chromium |
|
|
Cr(OH)3 |
6.7 × 10-31 |
|
Cobalt |
|
|
Co(OH)2 |
5.92 × 10-15 |
|
CoS (α) |
5 × 10-22 |
|
CoS (β) |
3 × 10-26 |
|
CoCO3 |
1.4 × 10-13 |
|
Co(OH)3 |
2.5 × 10-43 |
|
Copper |
|
|
CuCl |
1.72 × 10-7 |
|
CuBr |
6.27 × 10-9 |
|
CuI |
1.27 × 10-12 |
|
CuSCN |
1.77 × 10-13 |
|
Cu2S |
2.5 × 10-48 |
|
Cu(OH)2 |
2.2 × 10-20 |
|
CuS |
8.5 × 10-45 |
|
CuCO3 |
2.5 × 10−10 |
|
Iron |
|
|
Fe(OH)2 |
4.87 × 10-17 |
|
FeCO3 |
3.13 × 10-11 |
|
FeS |
3.7 × 10−19 |
|
Fe(OH)3 |
2.79 × 10-39 |
|
Lead |
|
|
Pb(OH)2 |
1.43 × 10-20 |
|
PbF2 |
3.3 × 10-8 |
|
PbCl2 |
1.70 × 10-5 |
|
PbBr2 |
6.60 × 10-6 |
|
PbI2 |
9.8 × 10-9 |
|
PbCO3 |
7.40 × 10-14 |
|
PbS |
7 × 10−29 |
|
PbCrO4 |
2 × 10−16 |
|
PbSO4 |
1.3 × 10−8 |
|
Pb3(PO4)2 |
1 × 10−54 |
|
Magnesium |
|
|
Mg(OH)2 |
5.61 × 10-12 |
|
MgCO3∙3H2O |
2.38 × 10-6 |
|
MgNH4PO4 |
3 × 10−13 |
|
MgF2 |
5.16 × 10-11 |
|
MgC2O4 |
7 × 10−7 |
|
Manganese |
|
|
Mn(OH)2 |
2 × 10−13 |
|
MnCO3 |
2.24 × 10-11 |
|
MnS |
2.3 × 10−13 |
|
Mercury |
|
|
Hg2O∙H2O |
3.6 × 10−26 |
|
Hg2Cl2 |
1.43 × 10-18 |
|
Hg2Br2 |
6.40 × 10-23 |
|
Hg2I2 |
5.2 × 10-29 |
|
Hg2CO3 |
3.6 × 10-17 |
|
Hg2SO4 |
6.5 × 10-7 |
|
Hg2S |
1.0 × 10−47 |
|
Hg2CrO4 |
2 × 10−9 |
|
HgS |
1.6 × 10−54 |
|
Nickel |
|
|
Ni(OH)2 |
5.48 × 10-16 |
|
NiCO3 |
1.42 × 10-7 |
|
NiS (α) |
4 × 10−20 |
|
NiS (β) |
1.3 × 10−25 |
|
Potassium |
|
|
KClO4 |
1.05 × 10-2 |
|
K2PtCl6 |
7.48 × 10-6 |
|
KHC4H4O6 |
3 × 10−4 |
|
Silver |
|
|
12
Ag2O (Ag+ + OH–) |
2 × 10−8 |
|
AgCl |
1.77 × 10-10 |
|
AgBr |
5.35 × 10-13 |
|
AgI |
8.52 × 10-17 |
|
AgCN |
5.97 × 10-17 |
|
AgSCN |
1.03 × 10-12 |
|
Ag2S |
1.6 × 10−49 |
|
Ag2CO3 |
8.46 × 10-12 |
|
Ag2CrO4 |
1.12 × 10-12 |
|
Ag4Fe(CN)6 |
1.55 × 10−41 |
|
Ag2SO4 |
1.20 × 10-5 |
|
Ag3PO4 |
8.89 × 10-17 |
|
Strontium |
|
|
Sr(OH)2∙8H2O |
3.2 × 10−4 |
|
SrCO3 |
5.60 × 10-10 |
|
SrCrO4 |
3.6 × 10−5 |
|
SrSO4 |
3.44 × 10-7 |
|
SrC2O4·H2O |
4 × 10−7 |
|
Thallium |
|
|
TlCl |
1.86 × 10-4 |
|
TlSCN |
1.57 × 10-4 |
|
Tl2S |
6 × 10−22 |
|
Tl(OH)3 |
1.68 × 10-44 |
|
Tin |
|
|
Sn(OH)2 |
5.45 × 10-27 |
|
SnS |
1 × 10−26 |
|
Sn(OH)4 |
1.0 × 10−57 |
|
Zinc |
|
|
ZnCO3 |
1.46 × 10-10 |
REFERENCE
1. “Solubility Product Constants of Inorganic Salts” in CRC Handbook of Chemistry and Physics, 100th Edition (Internet Version 2019), John R. Rumble, ed., CRC Press/Taylor & Francis, Boca Raton, FL.
