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Ka Values for Common Monoprotic Acids
Table of Ka Values for Common
Monoprotic Acids
| Name |
Formula |
Ka |
| Hydrogen sulfate ion |
HSO4– |
1.2 x 10–2 |
| Hydrofluoric acid |
HF |
7.2 x 10–4 |
| Nitrous acid |
HNO2 |
4.0 x 10–4 |
| Formic acid |
HCHO2 |
1.8 x 10–4 |
| Lactic acid |
HC3H5O3 |
1.4 x 10–4 |
| Benzoic acid |
HC7H5O2 |
6.4 x 10–5 |
| Hydrazidic acid |
HN3 |
1.9 x 10–5 |
| Acetic acid |
HC2H3O2 |
1.8 x 10–5 |
| Propanoic acid |
HC3H5O2 |
1.3 x 10–5 |
| Hypochlorous acid |
HOCl |
3.5 x 10–8 |
| Hydrocyanic acid |
HCN |
6.2 x 10–10 |
| Phenol |
HOC6H5 |
1.6 x 10–10 |
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