A 100.0 mL acetic acid buffer solution contains 0.50 M CH3COOH and 0.50 M CH3COON.. What will the pH be after 0.020 mol of HCI has been added to the buffer solution? pka of acetic acid = 4.74 5.11 4.74 8.89 None of these 9.62 4.38

A 100.0 mL acetic acid buffer solution contains 0.50 M CH3COOH and 0.50 M CH3COON.. What will the pH be after 0.020 mol of HCI has been added to the buffer solution? pka of acetic acid = 4.74 5.11 4.74 8.89 None of these 9.62 4.38

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter16: Solubility And Precipitation Equilibria

Section: Chapter Questions

Problem 31P

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

A 100.0 mL acetic acid buffer solution contains 0.50 M CH3COOH and 0.50 M CH3COONa.
What will the pH be after 0.020 mol of HCI has been added to the buffer solution?
pk, of acetic acid = 4.74
5.11
4.74
8.89
None of these
9.62
4.38

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