Chemistry: The Molecular Science (5th Edition)

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

Chapter 14 - Acids and Bases - Questions for Review and Thought - Topical Questions - Page 652a: 16b


$O^{2-}$ and $H_3O^+$ aren't a conjugate acid-base pair.

Work Step by Step

- Fast method: A conjugate acid-base pair has exactly one $H^+$ as a difference. So, this isn't a valid pair. - Other method: 1. Identify the base: - $O^{2-}$ 2. Add a $H^+$ to it: - $OH^-$ Compare it to the other substance: $OH^- \ne H_3O^+$ - So, this isn't a conjugate acid-base pair.
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