A chemistry graduate student is given 100. mL of a 0.10M dimethylamine ((CH3)2NH) solution. Dimethylamine is a weak base with K, = 5.4 × 104. What mass of (CH3)2NH2Cl should the student dissolve in the (CH3)2NH solution to turn it into a buffer with pH = 11.21? You may assume that the volume of the solution doesn't change when the (CH3)2NH2Cl is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. ☐ x10 Ar

A chemistry graduate student is given 100. mL of a 0.10M dimethylamine ((CH3)2NH) solution. Dimethylamine is a weak base with K, = 5.4 × 104. What mass of (CH3)2NH2Cl should the student dissolve in the (CH3)2NH solution to turn it into a buffer with pH = 11.21? You may assume that the volume of the solution doesn't change when the (CH3)2NH2Cl is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. ☐ x10 Ar

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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