(Answered) Hydrogen phosphate ions are dissolved in distilled

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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 <----> H₂PO₄+ H₂O

b) HPO₄ + HCl <----> H₂PO₄+ H₂O

c) HPO₄ + H₃O <----> H₂PO₄+ H₂O

d) H₂PO₄ + H₃O <----> H₃PO₄+ H₂O

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