Design a buffer that has a pH of 10.12 using one of the weak base/conjugate acid systems shown below. Weak Base CH3NH2 Kb 4.2×10-4 Conjugate Acid Ka pka CH3NH3+ 2.4×10-11 10.62 C6H1503N 5.9×10-7 C6H1503NH+ 1.7x10-8 7.77 C5H5N 1.5×10-9 CsH5NH+ 6.7×10-6 5.17 How many grams of the chloride salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams chloride salt of conjugate acid = grams weak base =
Design a buffer that has a pH of 10.12 using one of the weak base/conjugate acid systems shown below. Weak Base CH3NH2 Kb 4.2×10-4 Conjugate Acid Ka pka CH3NH3+ 2.4×10-11 10.62 C6H1503N 5.9×10-7 C6H1503NH+ 1.7x10-8 7.77 C5H5N 1.5×10-9 CsH5NH+ 6.7×10-6 5.17 How many grams of the chloride salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams chloride salt of conjugate acid = grams weak base =
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 11QRT: Briefly describe how a buffer solution can control the pH of a solution when strong acid is added...
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