The Henderson-Hasselbalch equation: a. relates the pH of a solution to the pKa and the concentration of acid and salt. b. allows the graphical determination of the molecular weight of a weak acid from its pH alone.

The Henderson-Hasselbalch equation: a. relates the pH of a solution to the pKa and the concentration of acid and salt. b. allows the graphical determination of the molecular weight of a weak acid from its pH alone.

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 16.7QE

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Question

The Henderson-Hasselbalch equation:

a. relates the pH of a solution to the pKa and the concentration of acid and salt.

b. allows the graphical determination of the molecular weight of a weak acid from its pH alone.

c. is equally useful with solutions of acetic acid and of hydrochloric acid.

d. employs the same value for pKa for all weak acids.

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