Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 16 Principles of Chemical Reactivity: The Chemistry of Acids and Bases - Study Questions: 32

Answer

$K_a = 6.667\times 10^{- 6}$

Work Step by Step

1. We can use this formula to find the ka or kb of a conjugate acid-base pair. $K_b * K_a = K_w = 10^{-14}$ $ 1.5\times 10^{- 9} * K_a = 10^{-14}$ $K_a = \frac{10^{-14}}{ 1.5\times 10^{- 9}}$ $K_a = 6.667\times 10^{- 6}$
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