General Chemistry: Principles and Modern Applications (10th Edition)

Published by Pearson Prentice Hal
ISBN 10: 0132064529
ISBN 13: 978-0-13206-452-1

Chapter 16 - Acids and Bases - Exercises - Ions as Acids and Bases (Hydrolysis) - Page 741: 56

Answer

a. $$K_ a = 6.7 \times 10^{-6} $$ b.$$K_ b = 5.6 \times 10^{-11} $$ c. $$K_ b = 1.0 \times 10^{-4} $$

Work Step by Step

We find: a. $$K_ a = \frac{10^{-14}}{ 1.5 \times 10^{-9} } = 6.7 \times 10^{-6} $$ b.$$K_ b = \frac{10^{-14}}{ 1.8 \times 10^{-4} } = 5.6 \times 10^{-11} $$ c. $$K_ b = \frac{10^{-14}}{ 1.0 \times 10^{-10} } = 1.0 \times 10^{-4} $$
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