An acid–base buffer is able to resist changes in pH due to the addition of small amounts of strong acid or base to the system. An acid–base buffer typically contains a weak acid and its conjugate base. A buffer is prepared by mixing 33.2 mL of 0.209 M NaOH with 138.1 mL of 0.231 M acetic acid. What is the pH of this buffer? (The pKa for acetic acid is 4.75.) Calculate the pH of this buffer after the addition of 0.192 g of solid NaOH.
An acid–base buffer is able to resist changes in pH due to the addition of small amounts of strong acid or base to the system. An acid–base buffer typically contains a weak acid and its conjugate base. A buffer is prepared by mixing 33.2 mL of 0.209 M NaOH with 138.1 mL of 0.231 M acetic acid. What is the pH of this buffer? (The pKa for acetic acid is 4.75.) Calculate the pH of this buffer after the addition of 0.192 g of solid NaOH.
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 31QRT
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An acid–base buffer is able to resist changes in pH due to the addition of small amounts of strong acid or base to the system. An acid–base buffer typically contains a weak acid and its conjugate base.
A buffer is prepared by mixing 33.2 mL of 0.209 M NaOH with 138.1 mL of 0.231 M acetic acid. What is the pH of this buffer? (The pKa for acetic acid is 4.75.)
Calculate the pH of this buffer after the addition of 0.192 g of solid NaOH.
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