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Second equivalence point

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Reference no: EM131066842

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

Reference no: EM131066842

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