Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 15 - Additional Aqueous Equilibria - Questions for Review and Thought - Topical Questions - Page 693: 12b


$NaH_2PO_4$ and $Na_2HPO_4$ are capable of formating a buffer solution.

Work Step by Step

1. For a buffer solution, we need: - 1 Weak acid: $H_2P{O_4}^-$ - 1 Weak base: $H{PO_4}^{2-}$. 2. They can't react with each other. - Since they are a conjugate acid-base pair, that reaction will not happen. Therefore, this pair can make a buffer solution.
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