The pka of formic acid is 3.750. What is the Ka of formic acid?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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The pka of formic acid is 3.750. What is the Ka of formic acid?
Transcribed Image Text:The pka of formic acid is 3.750. What is the Ka of formic acid?
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The pKa value is the value used to indicate the strength of an acid. It is the negative logarithm of the acid dissociation constant (ka value).

Lower is the pKa value indicates a stronger acid i.e acid gets fully dissociated in water.

pka = - log Ka

where Ka is the acid dissociation constant.

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