A buffer is composed of 0.200 M (CH3)2NH (Kb = 5.9 × 10–4) and 0.250 M (CH3)2NH2NO3. What is the pH of the resulting solution after 0.0750 mol of HCl are added to 250. mL of the buffer? Assume that the change in volume is negligible. Enter your response in pH units to the nearest 0.1.
A buffer is composed of 0.200 M (CH3)2NH (Kb = 5.9 × 10–4) and 0.250 M (CH3)2NH2NO3. What is the pH of the resulting solution after 0.0750 mol of HCl are added to 250. mL of the buffer? Assume that the change in volume is negligible. Enter your response in pH units to the nearest 0.1.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 26QAP: You want to make a buffer with a pH of 10.00 from NH4+/NH3. (a) What must the [ NH4+ ]/[ NH3 ]ratio...
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A buffer is composed of 0.200 M (CH3)2NH (Kb = 5.9 × 10–4) and 0.250 M (CH3)2NH2NO3. What is the pH of the resulting solution after 0.0750 mol of HCl are added to 250. mL of the buffer? Assume that the change in volume is negligible.
Enter your response in pH units to the nearest 0.1.
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