Explain product as either conjugate acid or conjugate base

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For the chemical equations shown below, label each reactant as either acid or base, and each product as either conjugate acid or conjugate base according to the Brønsted-Lowry definition.
HPO4^2-(aq)+H2O(l)--->H2PO4^-(aq)+OH^-(aq)
HPO4^2-(aq)+H2O(l)--->PO4^3-(aq)+H3O^+(aq)

Reference no: EM13246455

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