En la siguiente tabla se proporcionan los valores p K sp y K sp para compuestos seleccionados, organizados por el anión. Todos los valores son de Martell, A. E.; Smith, R. M. Constantes de Estabilidad Crítica, Vol. 4. Plenum Press: Nueva York, 1976. A menos que se indique lo contrario, los valores son para 25 o C y fuerza iónica cero.
| Bromuro (\(\ce{Br-}\)) |
p K sp |
K sp |
| \ (\ ce {Br-}\))” height="21" class="lt-chem-134794">\(\ce{CuBr}\) |
8.3 |
\(5. \times10^{-9}\) |
| \ (\ ce {Br-}\))” height="21" class="lt-chem-134794">\(\ce{AgBr}\) |
12.3 |
\(5.0 \times 10^{-13}\) |
| \ (\ ce {Br-}\))” height="21" class="lt-chem-134794">\(\ce{Hg2Br2}\) |
22.25 |
\(5.6 \times 10^{-23}\) |
| \ (\ ce {Br-}\))” height="21" class="lt-chem-134794">\(\ce{HgBr2} \: (\mu = 0.5 \text{ M})\) |
18.9 |
\(1.3 \times 10^{-19}\) |
| \ (\ ce {Br-}\))” height="21" class="lt-chem-134794">\(\ce{PbBr2} \: (\mu = 0.5 \text{ M})\) |
5.68 |
\(2.1 \times 10^{-6}\) |
| Carbonato (\(\ce{CO3^{2-}}\)) |
p K sp |
K sp |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{MgCO3}\) |
7.46 |
\(3.5 \times 10^{-8}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{CaCO3}\) (calcita) |
8.35 |
\(4.5 \times 10^{-9}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{CaCO3}\) (aragonita) |
8.22 |
\(6.0 \times 10^{-9}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{SrCO3}\) |
9.03 |
\(9.3 \times 10^{-10}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{BaCO3}\) |
8.3 |
\(5.0 \times 10^{-9}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{MnCO3}\) |
9.3 |
\(5.0 \times 10^{-10}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{FeCO3}\) |
10.68 |
\(2.1 \times 10^{-11}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{CoCO3}\) |
9.98 |
\(1.0 \times 10^{-10}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{NiCO3}\) |
6.87 |
\(1.3 \times 10^{-7}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{Ag2CO3}\) |
11.09 |
\(8.1 \times 10^{-12}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{Hg2CO3}\) |
16.05 |
\(8.9 \times 10^{-17}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{ZnCO3}\) |
10 |
\(1.0 \times 10^{-10}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{CdCO3}\) |
13.74 |
\(1.8 \times 10^{-14}\) |
| \ (\ ce {CO3^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{PbCO3}\) |
13.13 |
\(7.4 \times 10^{-14}\) |
| Cloruro (\(\ce{Cl-}\)) |
p K sp |
K sp |
| \ (\ ce {Cl-}\))” height="21" class="lt-chem-134794">\(\ce{CuCl}\) |
6.73 |
\(1.9 \times 10^{-7}\) |
| \ (\ ce {Cl-}\))” height="21" class="lt-chem-134794">\(\ce{AgCl}\) |
9.74 |
\(1.8\times 10^{-10}\) |
| \ (\ ce {Cl-}\))” height="21" class="lt-chem-134794">\(\ce{Hg2Cl2}\) |
17.91 |
\(1.2 \times 10^{-18}\) |
| \ (\ ce {Cl-}\))” height="21" class="lt-chem-134794">\(\ce{PbCl2}\) |
4.78 |
\(2.0 \times 10^{-19}\) |
| Cromato (\(\ce{CrO4^{2-}}\)) |
p K sp |
K sp |
| \ (\ ce {CRO4^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{BaCrO4}\) |
9.67 |
\(2.1 \times 10^{-10}\) |
| \ (\ ce {CRO4^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{CuCrO4}\) |
5.44 |
\(3.6 \times 10^{-6}\) |
| \ (\ ce {CRO4^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{Ag2CrO4}\) |
11.92 |
\(1.2 \times 10^{-12}\) |
| \ (\ ce {CRO4^ {2-}}\))” height="21" class="lt-chem-134794">\(\ce{Hg2CrO4}\) |
8.7 |
\(2.0 \times 10^{-9}\) |
| Cianuro (\(\ce{CN-}\)) |
p K sp |
K sp |
| \ (\ ce {CN-}\))” height="21" class="lt-chem-134794">\(\ce{AgCN}\) |
15.66 |
\(2.2 \times 10^{-16}\) |
| \ (\ ce {CN-}\))” height="21" class="lt-chem-134794">\(\ce{Zn(CN)2} \: (\mu = 3.0 \text{ M})\) |
15.5 |
\(3. \times 10^{-16}\) |
| \ (\ ce {CN-}\))” height="21" class="lt-chem-134794">\(\ce{Hg2(CN)2}\) |
39.3 |
\(5. \times 10^{-40}\) |
| Ferrocianuro (\(\ce{Fe(CN)6^{4-}}\)) |
p K sp |
K sp |
| \ (\ ce {Fe (CN) 6^ {4-}}\))” height="21" class="lt-chem-134794">\(\ce{Zn2[Fe(CN)6]}\) |
15.68 |
\(2.1 \times 10^{-16}\) |
| \ (\ ce {Fe (CN) 6^ {4-}}\))” height="21" class="lt-chem-134794">\(\ce{Cd2[Fe(CN)6]}\) |
17.38 |
\(4.2 \times 10^{-18}\) |
| \ (\ ce {Fe (CN) 6^ {4-}}\))” height="21" class="lt-chem-134794">\(\ce{Pb2[Fe(CN)6]}\) |
18.02 |
\(9.5 \times 10^{-19}\) |
| Fluoruro (\(\ce{F-}\)) |
p K sp |
K sp |
| \ (\ ce {F-}\))” height="21" class="lt-chem-134794">\(\ce{MgF2}\) |
8.18 |
\(6.6 \times 10^{-9}\) |
| \ (\ ce {F-}\))” height="21" class="lt-chem-134794">\(\ce{CaF2}\) |
10.41 |
\(3.9 \times 10^{-11}\) |
| \ (\ ce {F-}\))” height="21" class="lt-chem-134794">\(\ce{SrF2}\) |
8.54 |
\(2.9 \times 10^{-9}\) |
| \ (\ ce {F-}\))” height="21" class="lt-chem-134794">\(\ce{BaF2}\) |
5.76 |
\(1.7 \times 10^{-6}\) |
| \ (\ ce {F-}\))” height="21" class="lt-chem-134794">\(\ce{PbF2}\) |
7.44 |
\(3.6 \times 10^{-8}\) |
| Hidróxido (\(\ce{OH-}\)) |
p K sp |
K sp |
| \ (\ ce {OH-}\))” height="21" class="lt-chem-134794">\(\ce{Mg(OH)2}\) |
11.15 |
\(7.1 \times 10^{-12}\) |
| \ (\ ce {OH-}\))” height="21" class="lt-chem-134794">\(\ce{Ca(OH)2}\) |
5.19 |
\(6.5 \times 10^{-6}\) |
| \ (\ ce {OH-}\))” height="21" class="lt-chem-134794">\(\ce{Ba(OH)2 * 8 H2O}\) |
3.6 |
\(3. \times 10^{-4}\) |
| \ (\ ce {OH-}\))” height="21" class="lt-chem-134794">\(\ce{La(OH)3}\) |
20.7 |
\(2. \times 10^{-21}\) |
| \ (\ ce {OH-}\))” height="21" class="lt-chem-134794">\(\ce{Mn(OH)2}\) |
12.8 |
\(1.6 \times 10^{-13}\) |
| \ (\ ce {OH-}\))” height="21" class="lt-chem-134794">\(\ce{Fe(OH)2}\) |
15.1 |
\(8. \times 10^{-16}\) |
| \ (\ ce {OH-}\))” height="21" class="lt-chem-134794">\(\ce{Co(OH)2}\) |
14.9 |
\(1.3 \times 10^{-15}\) |
| \ (\ ce {OH-}\))” height="21" class="lt-chem-134794">\(\ce{Ni(OH)2}\) |
15.2 |
\(6. \times 10^{-16}\) |
| \ (\ ce {OH-}\))” height="21" class="lt-chem-134794">\(\ce{Cu(OH)2}\) |
19.32 |
\(4.8 \times 10^{-20}\) |
| \ (\ ce {OH-}\))” height="17" class="lt-chem-134794">\(\ce{Fe(OH)3}\) |
38.8 |
\(1.6 \times 10^{-39}\) |
| \ (\ ce {OH-}\))” height="17" class="lt-chem-134794">\(\ce{Co(OH)3} \: (T = 19 \text{°C})\) |
44.5 |
\(3. \times 10^{-45}\) |
| \ (\ ce {OH-}\))” height="17" class="lt-chem-134794">\(\ce{Ag2O} \: ( + \: \ce{H2O} \ce{<=>} \ce{2 Ag+} + \ce{2 OH-})\) |
15.42 |
\(3.8 \times 10^{-16}\) |
| \ (\ ce {OH-}\))” height="17" class="lt-chem-134794">\(\ce{Cu2O} \: ( + \: \ce{H2O} \ce{<=>} \ce{2 Cu+} + \ce{2 OH-})\) |
29.4 |
\(4.u \times 10^{-30}\) |
| \ (\ ce {OH-}\))” height="17" class="lt-chem-134794">\(\ce{Zn(OH)2}\) (amorfo) |
15.52 |
\(3.0 \times 10^{-16}\) |
| \ (\ ce {OH-}\))” height="17" class="lt-chem-134794">\(\ce{Cd(OH)2 (\beta)}\) |
14.35 |
\(4.5 \times 10^{-15}\) |
| \ (\ ce {OH-}\))” height="17" class="lt-chem-134794">\(\ce{HgO} \text{ (red)} \: ( + \: \ce{H2O} \ce{<=>} \ce{Hg^{2+}} + \ce{2 OH-})\) |
25.44 |
\(3.6 \times 10^{-26}\) |
| \ (\ ce {OH-}\))” height="17" class="lt-chem-134794">\(\ce{SnO} \: ( + \: \ce{H2O} \ce{<=>} \ce{Hg^{2+}} + \ce{2 OH-})\) |
26.2 |
\(6. \times 10^{-27}\) |
| \ (\ ce {OH-}\))” height="17" class="lt-chem-134794">\(\ce{PbO} \text{ (yellow)} \: ( + \: \ce{H2O} \ce{<=>} + \ce{Pb^{2+}} + \ce{2 OH-}\) |
15.1 |
\(8. \times 10^{-16}\) |
| \ (\ ce {OH-}\))” height="17" class="lt-chem-134794">\(\ce{Al(OH)3 \: (\alpha)}\) |
33.5 |
\(3. \times 10^{-34}\) |
| Iodato (\(\ce{IO3-}\)) |
p K sp |
K sp |
| \ (\ ce {IO3-}\))” height="17" class="lt-chem-134794">\(\ce{Ca(IO3)2}\) |
6.15 |
\(7.1 \times 10^{-7}\) |
| \ (\ ce {IO3-}\))” height="17" class="lt-chem-134794">\(\ce{Ba(IO3)2}\) |
8.81 |
\(1.5 \times 10^{-9}\) |
| \ (\ ce {IO3-}\))” height="17" class="lt-chem-134794">\(\ce{AgIO3}\) |
7.51 |
\(3.1 \times 10^{-8}\) |
| \ (\ ce {IO3-}\))” height="17" class="lt-chem-134794">\(\ce{Hg2(IO3)2}\) |
17.89 |
\(1.3 \times 10^{-18}\) |
| \ (\ ce {IO3-}\))” height="17" class="lt-chem-134794">\(\ce{Zn(IO3)2}\) |
5.41 |
\(3.9 \times 10^{-6}\) |
| \ (\ ce {IO3-}\))” height="17" class="lt-chem-134794">\(\ce{Cd(IO3)2}\) |
7.64 |
\(2.3 \times 10^{-8}\) |
| \ (\ ce {IO3-}\))” height="17" class="lt-chem-134794">\(\ce{Pb(IO3)2}\) |
12.61 |
\(2.5 \times 10^{-13}\) |
| yoduro (\(\ce{I-}\)) |
p K sp |
K sp |
| \ (\ ce {I-}\))” height="17" class="lt-chem-134794">\(\ce{AgI}\) |
16.08 |
\(8.3 \times 10^{-17}\) |
| \ (\ ce {I-}\))” height="17" class="lt-chem-134794">\(\ce{Hg2I2}\) |
28.33 |
\(4.7 \times 10^{-29}\) |
| \ (\ ce {I-}\))” height="17" class="lt-chem-134794">\(\ce{HgI2} \: (\mu = 0.5 \text{ M})\) |
27.95 |
\(1.1 \times 10^{-28}\) |
| \ (\ ce {I-}\))” height="17" class="lt-chem-134794">\(\ce{PbI2}\) |
8.1 |
\(7.9 \times 10^{-9}\) |
| Oxalato (\(\ce{C2O4^{2-}}\)) |
p K sp |
K sp |
| \ (\ ce {C2O4^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{CaC2O4} \: (\mu = 0.1 \text{ M, } T = 20 \text{°C})\) |
7.9 |
\(1.3 \times 10^{-8}\) |
| \ (\ ce {C2O4^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{BaC2O4} \: (\mu = 0.1 \text{ M, } T = 20 \text{°C})\) |
6 |
\(1. \times 10^{-6}\) |
| \ (\ ce {C2O4^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{SrC2O4} \: (\mu = 0.1 \text{ M, } T = 20 \text{°C})\) |
6.4 |
\(4. \times 10^{-7}\) |
| Fosfato (\(\ce{PO4^{3-}}\)) |
p K sp |
K sp |
| \ (\ ce {PO4^ {3-}}\))” height="17" class="lt-chem-134794">\(\ce{Fe3(PO4)2 * 8 H2O}\) |
36 |
\(1. \times 10^{-36}\) |
| \ (\ ce {PO4^ {3-}}\))” height="17" class="lt-chem-134794">\(\ce{Zn3(PO4)2 * 4 H2O}\) |
35.3 |
\(5. \times 10^{-36}\) |
| \ (\ ce {PO4^ {3-}}\))” height="17" class="lt-chem-134794">\(\ce{Ag3PO4}\) |
17.55 |
\(2.8 \times 10^{-18}\) |
| \ (\ ce {PO4^ {3-}}\))” height="17" class="lt-chem-134794">\(\ce{Pb3(PO4)2} \: (T = 38 \text{ °C})\) |
43.55 |
\(3.0 \times 10^{-44}\) |
| Sulfato (\(\ce{SO4^{2-}}\)) |
p K sp |
K sp |
| \ (\ ce {SO4^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{CaSO4}\) |
4.62 |
\(2.4 \times 10^{-5}\) |
| \ (\ ce {SO4^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{SrSO4}\) |
6.5 |
\(3.2 \times 10^{-7}\) |
| \ (\ ce {SO4^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{BaSO4}\) |
9.96 |
\(1.1 \times 10^{-10}\) |
| \ (\ ce {SO4^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{Ag2SO4}\) |
4.83 |
\(1.5 \times 10^{-5}\) |
| \ (\ ce {SO4^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{Hg2SO4}\) |
6.13 |
\(7.4 \times 10^{-7}\) |
| \ (\ ce {SO4^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{PbSO4}\) |
7.79 |
\(1.6 \times 10^{-8}\) |
| Sulfuro (\(\ce{S^{2-}}\)) |
p K sp |
K sp |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{MnS} \: (\text{green})\) |
13.5 |
\(3. \times 10^{-14}\) |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{FeS}\) |
18.1 |
\(8. \times 10^{-19}\) |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{CoS} \: (\beta)\) |
25.6 |
\(3. \times 10^{-26}\) |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{NiS} \: (\gamma)\) |
26.6 |
\(3. \times 10^{-27}\) |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{CuS}\) |
36.1 |
\(8. \times 10^{-37}\) |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{Cu2S}\) |
48.5 |
\(3. \times 10^{-49}\) |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{Ag2S}\) |
50.1 |
\(8. \times 10^{-51}\) |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{ZnS} \: (\alpha)\) |
24.7 |
\(2. \times 10^{-25}\) |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{CdS}\) |
27 |
\(1. \times 10^{-27}\) |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{Hg2S} \: (\text{red})\) |
53.3 |
\(5. \times 10^{-54}\) |
| \ (\ ce {S^ {2-}}\))” height="17" class="lt-chem-134794">\(\ce{PbS}\) |
27.5 |
\(3. \times 10^{-28}\) |
| Tiocianato (\(\ce{SCN-}\)) |
p K sp |
K sp |
| \ (\ ce {SCN-}\))” height="17" class="lt-chem-134794">\(\ce{CuSCN} \: (\mu = 5.0 \text{ M})\) |
13.4 |
\(4.0\times 10^{-14}\) |
| \ (\ ce {SCN-}\))” height="17" class="lt-chem-134794">\(\ce{AgSCN}\) |
11.97 |
\(1.1\times 10^{-12}\) |
| \ (\ ce {SCN-}\))” height="17" class="lt-chem-134794">\(\ce{Hg2(SCN)2}\) |
19.52 |
\(3.0\times 10^{-20}\) |
| \ (\ ce {SCN-}\))” height="17" class="lt-chem-134794">\(\ce{Hg2(SCN)2} \: (\mu = 1.0 \text{ M})\) |
19.56 |
\(2.8\times 10^{-20}\) |
