AP Chemistry
4.8 Introduction to Acid-Base Reactions
A student analyzing proton transfer in a water sample represents the reaction as follows.
\(\text{H}_2\text{PO}_4^-\text{(aq)} + \text{H}_2\text{O(l)} \rightleftharpoons \text{H}_3\text{O}^+\text{(aq)} + \text{HPO}_4^{2-}\text{(aq)}\)
Which choice correctly identifies both the acid and its conjugate base and the base and its conjugate acid, with the species in each pair listed in that order for the forward reaction?
\(\text{H}_2\text{PO}_4^-\text{(aq)} + \text{H}_2\text{O(l)} \rightleftharpoons \text{H}_3\text{O}^+\text{(aq)} + \text{HPO}_4^{2-}\text{(aq)}\)
Which choice correctly identifies both the acid and its conjugate base and the base and its conjugate acid, with the species in each pair listed in that order for the forward reaction?
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