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Arsenates
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The salts of arsenous acid are called arsenates(III). Formerly theywere called arsenites.Some salts exist in the forms MH2AsO3,M2HAsO3,and M3AsO3,although most salts of arsenous acid are derived from the metaacid,HAsO2, i.e., have the formula MAsO2.The arsenates(III) are decomposed by strong acids because they are salts of a very weak acid.Arsenates ?? ?? ? ???
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