Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 16 - Acid-Base Equilibria - Exercises - Page 717: 16.24b


$HS^-$ is the stronger base.

Work Step by Step

$HS^-$ and $H{SO_4}^-$ are, respectively, the conjugate bases of $H_2S$ and $H_2SO_4$. Since $H_2SO_4$ is stronger than $H_2S$, and the stronger the acid, the weaker its conjugate base, $HS^-$ is the stronger base.
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