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10-03-2018
Chemistry

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What is the conjugate acid of hpo22− ? express your answer as a chemical formula?

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Dejanras Dejanras

19-03-2018

Answer is: H₂PO₄⁻ (dihydrogen phosphate).
Chemical reaction: HPO₄²⁻(aq) + H⁺(aq) ⇄ H₂PO₄⁻(aq).
According to Bronsted-Lowry theory acid are donor of protons and bases are acceptors of protons (the hydrogen cation or H⁺). Hydrogen phosphate is Bronsted base and it can accept proton and become conjugate acid.

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