Nitrous acid
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Description
A pale blue solution that is a weak acid. Nitrous acid is unstable and decomposes in water to form Nitric acid and Nitric oxide. It also reacts with single valent cations, such as sodium and potassium, to form water-soluble salts.
Physical and Chemical Properties
| Composition | HNO2 |
|---|---|
| CAS | 7782-77-6 |
| Molecular Weight | mol. wt. = 47.01 |