You have 100 mL of a 40 mM HEPES buffer at pH 7.4. The pKa for HEPES is 7.5. What are the concentrations of the acid form [HHEPES+] and conjugate base [HEPES] in solution? [HHEPES+] = [HEPES]=

General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:H. Stephen Stoker
Chapter10: Acids, Bases, And Salts
Section: Chapter Questions
Problem 10.126EP: What is the pH of a buffer that is 0.175 M in a weak acid and 0.200 M in the acids conjugate base?...
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You have 100 mL of a 40 mM HEPES buffer at pH 7.4. The pKa for HEPES is 7.5. What are the concentrations of the acid form [HHEPES+] and conjugate base [HEPES] in solution?

[HHEPES+] =

[HEPES]=

 
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