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 - Page 629d: 62


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Work Step by Step

Net ionic reaction: $CH_3CH_2CO_2^-+H_2O\leftrightarrow CH_3CH_2CO_2H+OH^-$ $K=[CH_3CH_2CO_2H][OH^-]/[CH_3CH_2CO_2^-]=K_w/K_a$ $10^{-14}/1.34\cdot10^{-5}=x^2/(0.10-x)$ $x=8.64\cdot10^{-6}\ M=[CH_3CH_2CO_2H]=[OH^-]$ $[CH_3CH_2CO_2^-]\approx 0.10\ M$ $[H_3O^+]=K_w/[OH^-]=1.16\cdot10^{-9}\ M$
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