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: 18b


Reactants: Acid: $H_2O$ Base: $O^{2-}$ Products: Conjugate base: $OH^-$ Conjugate acid: $OH^-$

Work Step by Step

Reactants: Left side of the reaction. Products: Right side. 1. Identify the acid and the base of the reactants: - $H_2O$ is turning into $OH^-$; therefore, it is donating one proton, so it is the acid. - $O^{2-}$ is turning into $OH^-$; therefore, it is receiving one proton, so it is the base. 2. Identify the conjugate acid and base: - The conjugate base is the result of an acid losing a $H^+$. Since $H_2O$ is the acid, $OH^-$ is the conjugate base. - The conjugate acid is the result of a base gaining a $H^+$. Since $O^{2-}$ is the base, $OH^-$ is the conjugate acid.
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