A buffer solution contains 1.250 mol of phenol, C6H5OH, and 0.950 mol of sodium phenoxide, C6H5ONa, in 1.00 L of solution. Ka = 1.30 x 10-10 a. What is the pH of this buffer? b. What is the pH of this buffer after the addition of 0.525 mol of NaOH? (assume no volume change upon the addition of the NaOH) c. To the buffer produced in part a, what is the pH of the buffer after the addition of 0.225 mol of HCI? (assume no volume change up the addition of the HCI)
A buffer solution contains 1.250 mol of phenol, C6H5OH, and 0.950 mol of sodium phenoxide, C6H5ONa, in 1.00 L of solution. Ka = 1.30 x 10-10 a. What is the pH of this buffer? b. What is the pH of this buffer after the addition of 0.525 mol of NaOH? (assume no volume change upon the addition of the NaOH) c. To the buffer produced in part a, what is the pH of the buffer after the addition of 0.225 mol of HCI? (assume no volume change up the addition of the HCI)
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter14: Acid- Base Equilibria
Section: Chapter Questions
Problem 100CWP: Consider 1.0 L of a solution that is 0.85 M HOC6H5 and 0.80 M NaOC6H5. (Ka for HOC6H5 = 1.6 1010.)...
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