8 Consider a buffer made by adding 56.9 g of (CH),NH,I to 250.0 mL of 1.42 M (CH), NH (Kb = 5.4 x 10") a What is the pH of this buffer? b L What is the pH of the buffer after 0.300 mol of H* have been added? > 4 Available Points 4 Available Points L C What is the pH of the buffer after 0.120 mol of OH have been added? 4 Available Points
8 Consider a buffer made by adding 56.9 g of (CH),NH,I to 250.0 mL of 1.42 M (CH), NH (Kb = 5.4 x 10") a What is the pH of this buffer? b L What is the pH of the buffer after 0.300 mol of H* have been added? > 4 Available Points 4 Available Points L C What is the pH of the buffer after 0.120 mol of OH have been added? 4 Available Points
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 7RQ: Sketch the titration curve for a weak acid titrated by a strong base. When performing calculations...
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