Phosphorous acid

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Notion

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Science and technology

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What Wikipedia says

Phosphorous acid (or phosphonic acid) is the compound described by the formula H3PO3. It is diprotic (readily ionizes two protons), not triprotic as might be suggested by its formula. Phosphorous acid is an intermediate in the preparation of other phosphorus compounds.

Excerpt from the Wikipedia article “Phosphorous acid”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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