# Chapter 16 Principles of Chemical Reactivity: The Chemistry of Acids and Bases - Study Questions - Page 629a: 6

#### Work Step by Step

Acid: $HPO_4^{2-}+H_2O\rightarrow PO_4^{3-}+H_3O^+$ Base: $HPO_4^{2-}+H_2O\rightarrow H_2PO_4^-+OH^-$

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