Calculate the change in pH that occurs when 0.550 mmol of a strong acid is added to 100 mL of 0.0210 M lactic acid and 0.0800 M sodium lactate.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 29QRT
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Calculate the change in pH that occurs when 0.550 mmol of a strong acid is added to 100 mL of 0.0210 M lactic acid and 0.0800 M sodium lactate.
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