Answered: A solution was prepared by mixing 50 mL…

A solution was prepared by mixing 50 mL of 0.1 M benzoic acid with 50 mL of 0.05 M sodium benzoate. The Ka of benzoic acid is 6.3 x 10-5. Compute for the pH value of the resulting buffer.

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

Chapter15: Solutions Of Acids And Bases

Section: Chapter Questions

Problem 15.121QE: A solution is made by diluting 25.0 mL of concentrated HCl (37% by weight; density = 1.19 g/mL) to...

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Question

A solution was prepared by mixing 50 mL of 0.1 M benzoic acid with 50 mL of 0.05 M sodium benzoate. The Ka of benzoic acid is 6.3 x 10-5. Compute for the pH value of the resulting buffer.

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