Dissociation constants of acids and bases inorganic
Reference tableof General and inorganic chemistrycontains the name andformulaof the hydroxideandacid, and the correspondingdissociation constants . The table is intendedfor pupils and students.
Dissociation constants of inorganic bases (Table)
Hydroxide |
Formula agents |
Dissociation constants, Kin |
pKin |
Aluminum |
Al (OH)3 |
1.38 x 10-9 |
8.86 |
Ammonium |
NH4OH |
1.79 × 10-5 |
4.75 |
Barium |
Ba (OH)2 |
2.30 × 10-1 |
0.64 |
Gaul |
Ga (OH)3 |
1.60 × 10-11(2) |
10.8 |
Iron (2) |
Fe (OH)2 |
1.30 × 10-4 |
3.89 |
Iron (3) |
Fe (OH)3 |
1.82 × 10-11(2) |
10.74 |
1.35 × 10-12(3) |
11.87 |
||
Cadmium |
Cd (OH)2 |
5.00 × 10-3(2) |
2.30 |
Calcium |
Ca (OH)2 |
4.30 · 10-2(2) |
1.37 |
Cobalt (2) |
Co (OH)2 |
4.00 × 10-5(2) |
4.40 |
Lantana |
La (OH)2 |
5.20 × 10-4(3) |
3.30 |
Lithia |
LiOH |
6.75 × 10-1 |
0.17 |
Magnesium |
Mg (OH)2 |
2.50 × 10-3(2) |
2.60 |
Manganese (2) |
Mn (OH)2 |
5.00 × 10-4(2) |
3.30 |
Copper (2) |
Cu (OH)2 |
3.40 × 10-7(2) |
6.47 |
Sodium |
NaOH |
5.90 |
-0.77 |
Nickel |
Ni (OH)2 |
2.50 × 10-5(2) |
4.60 |
Lead |
Pb (OH)2 |
9.60 × 10-4(1) |
3.02 |
Strontium |
Sr (OH)2 |
1.50 x 10-1(2) |
0.82 |
Chromium (3) |
Cr (OH)3 |
1.02 × 10-10(3) |
9.90 |
Zinc |
Zn (OH)2 |
4.00 × 10-5(2) |
4.40 |
Dissociation constants of inorganic acids (Table)
Acid |
Formula agents |
The dissociation constant, Kand |
pKa |
Nitrous |
HNO2 |
4.00 × 10-4 |
3.4 |
Hydrazoic |
HN3 |
2.60 × 10-5 |
|
Nitric |
HNO3 |
4.36 · 10 |
-1,64 |
Aluminum (metha) |
HAlO2 |
4.00 × 10-13 |
12.4 |
Boric (meta) |
HBO2 |
7.50 × 10-10 |
9.12 |
Boric (ortho) |
H3BO3 |
5.80 × 10-10(1) |
9.24 |
1.80 × 10-13(2) |
12.74 |
||
1.60 × 10-14(3) |
13,80 |
||
Boric (tetra) |
H2B4O7 |
~ 10-4(1) |
~ 4 |
~ 10-9(2) |
~ 9 |
||
Hydrobromic |
HBr |
1.00 × 109 |
-9 |
Bromic |
HBrO3 |
2.00 × 10-1 |
0.7 |
Hypobromous |
HBrO |
2.06 x 10-9 |
8.7 |
Water |
H2O |
1.8 × 10-16 |
|
Hydrogen peroxide |
H2O2 |
2.63 × 10-12(1) |
11.58 |
Gallium |
H3GaO3 |
5.00 × 10-11(2) |
10.3 |
2.00 × 10-12(3) |
11.7 |
||
Germanium |
H2GeO3 |
1.70 x 10-9(1) |
8.77 |
Hydroiodic |
HI |
1.00 · U11 |
-eleven |
Iodine (meta) |
HIO4 |
2.30 × 10-2 |
1.64 |
Iodine (ortho) |
H5IO6 |
3.09 · 10-2(1) |
1.51 |
7.08 x 10-9(2) |
8.15 |
||
2.50 × 10-13(3) |
12.60 |
||
Iodnovataya |
HIO3 |
1.70 × 10-1 |
0.77 |
Flint (meta) |
H2SiO3 |
2.20 × 10-10(1) |
9.66 |
Flint (ortho) |
H4SiO4 |
2.00 × 10-10(1) |
9.7 |
2.00 × 10-12(2) |
11.7 |
||
1.00 × 10-12(3) |
12.0 |
||
1.00 × 10-12(4) |
12.0 |
||
Manganese |
HMnO4 |
2.00 · 102 |
-2.3 |
Molybdenum |
H2MoO4 |
1.00 · 10-6(2) |
6.0 |
Arsenic (ortho) |
H3ASO4 |
5.89 x 10-3(1) |
2.22 |
1.05 × 10-7(2) |
6.98 |
||
3.89 × 10-12(3) |
11.41 |
||
Arsenic (meta) |
HASO2 |
6.00 × 10-10 |
9.2 |
Arsenic (ortho) |
H3ASO3 |
6.00 × 10-10(1) |
9.2 |
1.70 × 10-14(2) |
13.77 |
||
Tin |
H2SnO2 |
6.00 × 10-18 |
17.2 |
Tin |
H2SnO3 |
4,00 x 10-10 |
9.4 |
Rodanistovodorodnaya |
HCNS |
1.40 × 10-1 |
|
Leaded |
H2PbO2 |
2.00 x 10-16 |
15.7 |
Selenious |
H2SeO3 |
3.50 x 10-3(1) |
2.46 |
5.00 × 10-8(2) |
7.3 |
||
Selenium |
H2SeO4 |
1.00 x 103(1) |
-3 |
1.20 · 10-2(2) |
19 |
||
Selenovodorodnaya |
H2Se |
1.70 × 10-4(1) |
3.77 |
1.00 × 10-11(2) |
11.0 |
||
Sulfuric |
H2SO4 |
1.00 x 103(1) |
-3 |
1.20 · 10-2(2) |
19 |
||
Sour |
H2SO3 |
1.58 · 10-2(1) |
18 |
6.31 × 10-8(2) |
7.2 |
||
Hydrosulfide |
H2S |
6.00 × 10-8(1) |
7.2 |
1.00 × 10-14(2) |
14 |
||
Antimony (ortho) |
H3SbO4 |
4.00 × 10-5 |
4.4 |
Antimony (meta) |
HSbO2 |
1.00 × 10-11 |
eleven |
Telluride |
H2TeO3 |
3.00 x 10-3(1) |
2.5 |
2.00 × 10-8(2) |
7.7 |
||
Tellurium |
H2TeO4 |
2.29 × 10-8(1) |
7.64 |
6.46 × 10-12(2) |
11.19 |
||
Tellurovodorodnaya |
H2Te |
1.00 × 10-3 |
thirty |
Thiosulfuric |
H2S2O3 |
2.20 × 10-1(1) |
0.66 |
2.80 · 10-2(2) |
1.56 |
||
Coal |
H2CO3 |
4.45 × 10-7(1) |
6.35 |
4.69 × 10-11(2) |
10.33 |
||
Phosphorous (ortho) |
H3PO3 |
1.60 x 10-3(1) |
18 |
6.30 × 10-7(2) |
6.2 |
||
Phosphorous (ortho) |
H3PO4 |
7.52 x 10-3(1) |
2.12 |
6.31 × 10-8(2) |
7.20 |
||
1.26 × 10-12(3) |
11.9 |
||
Phosphorous (pyro) |
H4P2O7 |
1.40 × 10-1(1) |
0.85 |
1.10 · 10-2(2) |
1.95 |
||
2.10 × 10-7(3) |
6.68 |
||
Hydrofluoric |
HF |
6.61 × 10-4 |
3.18 |
Hydrogen chloride |
HCl |
1 × 107 |
-7 |
Hypochlorous |
HClO |
5.01 × 10-8 |
7.3 |
Chrome |
H2CrO4 |
1 · 10 (1) |
-1 |
3.16 × 10-7 |
6.5 |
||
Tsianovodorodnaya |
HCN |
7.90 x 10-10 |
9.1 |
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