Write an equation to show how HPO42− can act as a base with H2O acting as an acid. Write an equation to show how HPO42− can act as an acid with H2O acting as a base.
Express your answer as a chemical equation. Identify all of the phases in your answer.
1 Answer
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HPO42- as a base:
HPO42-(aq) + H2O(l) <–> H2PO4-(aq) + OH-(aq)HPO42- as an acid:HPO42-(aq) + H2O(l) <–> PO43-(aq) + H3O+(aq)
