A buffer solution contains 0.304 M CH3NH3Br and 0.354 M CH3NH2 (methylamine). Determine the pH change when 0.082 mol NaOH is added to 1.00 L of the buffer. pH after addition − pH before addition = pH change =

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 25QRT: A buffer solution is prepared by adding 0.125 mol ammonium chloride to 500. mL of 0.500-M aqueous...
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A buffer solution contains 0.304 M CH3NH3Br and 0.354 M CH3NH2 (methylamine). Determine the pH change when 0.082 mol NaOH is added to 1.00 L of the buffer.

pH after addition − pH before addition = pH change = 
 
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