Answered: The pKa of acetic acid is 4.76. What…

The pKa of acetic acid is 4.76. What volume of 2 M HCI can be added to 100 mL of 0.1M acetate buffer at pH 4.76 before it is 90% titrated (i.e., is at the end of its buffering capacity)?

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 93QRT: When 40.00 mL of a weak monoprotic acid solution is titrated with 0.100-M NaOH, the equivalence...

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Question

The pKa of acetic acid is 4.76. What volume of 2 M HCl can be added to
100 mL of 0.1M acetate buffer at pH 4.76 before it is 90% titrated (i.e., is at
the end of its buffering capacity)?

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