Chemistry (7th Edition)

Published by Pearson
ISBN 10: 0321943171
ISBN 13: 978-0-32194-317-0

Chapter 15 - Aqueous Equilibria: Acids and Bases - Worked Example - Page 609: 6


(a) $HY$ is the stronger acid. (b) $X^-$ is the stronger base. (c) To the left.

Work Step by Step

(a) The solution that has the most quantity of $H_3O^+$ and $A^-$ is the one with the stronger acid, because it means that this acid dissociated in a larger scale. (b) The solution with less $H_3O^+$ has the strongest conjugate base, therefore, "$X^-$" is the strongest base here. (c) Since the strong electrolytes: "$HY$ and $X^-$", are on the right side, the reaction will proceed from the right to the left.
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