if a buffer solution is 0.200 M in a weak acid K_{a} = 8.9 * 10 ^ - 5 ) and 0.540 M in its conjugate base, what is the pH?

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.83QE
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if a buffer solution is 0.200 M in a weak acid K_{a} = 8.9 * 10 ^ - 5 ) and 0.540 M in its conjugate base, what is the pH?

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