10.10: Solubility Products

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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	K_sp at 25 °C
Al(OH)₃	$2\times{10}^{-32}$

Substance	K_sp at 25 °C
BaCO₃	$1.6 \times {10}^{-9}$
BaC₂O₄•2H₂O	$1.1 \times {10}^{-7}$
BaSO₄	$2.3 \times {10}^{-8}$
BaCrO₄	$8.5 \times {10}^{-11}$
BaF₂	$2.4 \times {10}^{-5}$
Ba(OH)₂•8H₂O	$5.0 \times {10}^{-3}$
Ba₃(PO₄)₂	$6 \times {10}^{-39}$
Ba₃(AsO₄)₂	$1.1 \times {10}^{-13}$

Substance	K_sp at 25 °C
BiO(OH)	$4 \times {10}^{-10}$
BiOCl	$1.8 \times {10}^{-31}$
Bi₂S₃	$1 \times {10}^{-97}$

Substance	K_sp at 25 °C
Cd(OH)₂	$5.9 \times {10}^{-15}$
CdS	$1.0 \times {10}^{-28}$
CdCO₃	$5.2 \times {10}^{-12}$

Substance	K_sp at 25 °C
Ca(OH)₂	$1.3 \times {10}^{-6}$
CaCO₃	$8.7 \times {10}^{-9}$
CaSO4•2H₂O	$6.1 \times {10}^{-5}$
CaC₂O₄•H₂O	$1.96 \times {10}^{-8}$
Ca₃(PO₄)₂	$1.3 \times {10}^{-32}$
CaHPO₄	$7 \times {10}^{-7}$
CaF₂	$4.0 \times {10}^{-11}$

Substance	K_sp at 25 °C
Co(OH)₂	$2.5 \times {10}^{-16}$
CoS(α)	$5 \times {10}^{-22}$
CoS(β)	$3 \times {10}^{-26}$
CoCO₃	$1.4 \times {10}^{-13}$
Co(OH)₃	$2.5 \times {10}^{-43}$

Substance	K_sp at 25 °C
CuCl	$1.2 \times {10}^{-6}$
CuBr	$6.27 \times {10}^{-9}$
CuI	$1.27 \times {10}^{-12}$
CuSCN	$1.6 \times {10}^{-11}$
Cu₂S	$2.5 \times {10}^{-48}$
Cu(OH)₂	$2.2 \times {10}^{-20}$
CuS	$8.5 \times {10}^{-45}$
CuCO₃	$2.5 \times {10}^{-10}$

Substance	K_sp at 25 °C
Fe(OH)₂	$1.8 \times {10}^{-15}$
FeCO₃	$2.1 \times {10}^{-11}$
FeS	$3.7 \times {10}^{-19}$
Fe(OH)₃	$4 \times {10}^{-38}$

Substance	K_sp at 25 °C
Pb(OH)₂	$1.2 \times {10}^{-15}$
PbF₂	$4 \times {10}^{-8}$
PbCl₂	$1.6 \times {10}^{-5}$
PbBr₂	$4.6 \times {10}^{-6}$
PbI₂	$1.4 \times {10}^{-8}$
PbCO₃	$1.5 \times {10}^{-15}$
PbS	$7 \times {10}^{-29}$
PbCrO₄	$2 \times {10}^{-16}$
PbSO₄	$1.3 \times {10}^{-8}$
Pb₃(PO₄)₂	$1 \times {10}^{-54}$

Substance	K_sp at 25 °C
Mg(OH)₂	$8.9 \times {10}^{-12}$
MgCO₃•3H₂O	$ca1 \times {10}^{-5}$
MgNH₄PO₄	$3 \times {10}^{-13}$
MgF₂	$6.4 \times {10}^{-9}$
MgC₂O₄	$7 \times {10}^{-7}$

Substance	K_sp at 25 °C
Mn(OH)₂	$2 \times {10}^{-13}$
MnCO₃	$8.8 \times {10}^{-11}$
MnS	$2.3 \times {10}^{-13}$

Substance	K_sp at 25 °C
KClO₄	$1.05 \times {10}^{-2}$
K₂PtCl₆	$7.48 \times {10}^{-6}$
KHC₄H₄O₆	$3 \times {10}^{-4}$

Substance	K_sp at 25 °C
TlCl	$1.7 \times {10}^{-4}$
TlSCN	$1.6 \times {10}^{-4}$
Tl₂S	$6 \times {10}^{-22}$
Tl(OH)₃	$6.3 \times {10}^{-46}$

Substance	K_sp at 25 °C
Hg₂O•H₂O	$3.6 \times {10}^{-26}$
Hg₂Cl₂	$1.1 \times {10}^{-18}$
Hg₂Br₂	$1.3 \times {10}^{-22}$
Hg₂I₂	$4.5 \times {10}^{-29}$
Hg₂CO₃	$9 \times {10}^{-15}$
Hg₂SO₄	$7.4 \times {10}^{-7}$
Hg₂S	$1.0 \times {10}^{-47}$
Hg₂CrO₄	$2 \times {10}^{-9}$
HgS	$1.6 \times {10}^{-54}$

Substance	K_sp at 25 °C
Ni(OH)₂	$1.6 \times {10}^{-16}$
NiCO₃	$1.4 \times {10}^{-7}$
NiS(α)	$4 \times {10}^{-20}$
NiS(β)	$1.3 \times {10}^{-25}$

Substance	K_sp at 25 °C
${}_{2}^{1}\text{A}{\text{g}}_{\text{2}}\text{O}\left({\text{Ag}}^{+}+{\text{OH}}^{-}\right)$	$2 \times {10}^{-8}$
AgCl	$1.6 \times {10}^{-10}$
AgBr	$5.0 \times {10}^{-13}$
AgI	$1.5 \times {10}^{-16}$
AgCN	$1.2 \times {10}^{-16}$
AgSCN	$1.0 \times {10}^{-12}$
Ag₂S	$1.6 \times {10}^{-49}$
Ag₂CO₃	$8.1 \times {10}^{-12}$
Ag₂CrO₄	$9.0 \times {10}^{-12}$
Ag₄Fe(CN)₆	$1.55 \times {10}^{-41}$
Ag₂SO₄	$1.2 \times {10}^{-5}$
Ag₃PO₄	$1.8 \times {10}^{-18}$

Substance	K_sp at 25 °C
Sr(OH)₂•8H₂O	$3.2 \times {10}^{-4}$
SrCO₃	$7 \times {10}^{-10}$
SrCrO₄	$3.6 \times {10}^{-5}$
SrSO₄	$3.2 \times {10}^{-7}$
SrC₂O₄•H₂O	$4 \times {10}^{-7}$

Substance	K_sp at 25 °C
Sn(OH)₂	$3 \times {10}^{-27}$
SnS	$1 \times {10}^{-26}$
Sn(OH)₄	$1.0 \times {10}^{-57}$

Table of Contents

Aluminum

Barium

Bismuth

Cadmium

Calcium

Chromium

Cobalt

Copper

Iron

Lead

Magnesium

Manganese

Mercury

Nickel

Potassium

Silver

Strontium

Thallium

Tin

Zinc