Hydrogen phosphate ions are dissolved in distilled


Hydrogen phosphate ions are dissolved in distilled water.  Which of the following reactions correctly demonstrates the second equivalence point when this solution is titrated with hydrochloric acid?

a) H3PO4 + HCl <----> H2PO+ H2O

b) HPO4 + HCl <----> H2PO+ H2O

c) HPO4 + H3O <----> H2PO+ H2

d) H2PO4 + H3O <----> H3PO+ H2O

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Chemistry: Hydrogen phosphate ions are dissolved in distilled
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