Benzoic acid (C6H5COOH) has a pKa on 4.20. What is the ratio of the acid to its conjugate base at a pH on 5.20? What is the formula on the conjugate base?

Chemistry by OpenStax (2015-05-04)
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ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter14: Acid-base Equilibria
Section: Chapter Questions
Problem 1E: Write equations that show NH3 as both a conjugate acid and a conjugate base.
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Benzoic acid (C6H5COOH) has a pKa on 4.20. What is the ratio of the acid to its conjugate base at a pH on 5.20?
What is the formula on the conjugate base?

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