Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases
Section: Chapter Questions
Problem 128SCQ
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Question
Part B, I had tried various times and got the answer of 54 which is incorrect.
Expert Solution
Step 1
We need to calculate the percent of ionization for 0.00022 M benzoic acid .
Ka value of benzoic acid = 6.5*10-5
The ionization of benzoic acid in water is as follows:
C6H5COOH(aq) ---->C6H5COO-(aq) + H+(aq)
I 0.00022 0 0
C -x +x +x
E (0.00022-x) x x
Thus, Ka = [C6H5COO-][H+]/[C6H5COOH]
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