Monopotassium phosphite

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What Wikipedia says

Monopotassium phosphite is an inorganic compound with the formula KH2PO3. A compositionally related compound has the formula H3PO3.2(KH2PO3). Both are white solids that consist of salts of the phosphite anion H2PO3−, the conjugate base of phosphorous acid.

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

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