A chemistry graduate student is given 250. ml. of a 0.80 M diethylamine (C2H5)2NH2Br solution. Diethylamine-3is a weak base with K, = 1.3 x 10• What mass of (C2H5)2NH2Br should the student dissolve in the (C2H5)2NH solution to turn it into a buffer with pH = 10.92?You may assume that the volume of the solution doesn't change when the (C2H5)2NH2Br is dissolved in it.Be sure your answer has a unit symbol, and round it to 2 significant digits. A chemistry graduate student is given 250. mL of a 0.80M diethylamine ((C,H5), NH) solution. Diethylamineis a weak base with K= 1.3 × 10`. What mass of (C,Hg), NH, Br should the student dissolve in the%3D(C,H) NH solution to turn it into a buffer with pH = 10.92?You may assume that the volume of the solution doesn't change when the (C, H) NH, Br is dissolved in it.Be sure your answer has a unit symbol, and round it to 2 significant digits.

Given, Volume of Base = 250. ml = 0.250 L Concentration of Base = 0.80 M Mole of Base =0.80 ×…

Answered: given 250. ml. of a 0.80 M diethylamine…

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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A chemistry graduate student is given 250. ml. of a 0.80 M diethylamine (C2H5)2NH2Br solution. Diethylamine-3 is a weak base with K, = 1.3 x 10 • What mass of (C2H5)2NH2Br should the student dissolve in the (C2H5)2NH solution to turn it into a buffer with pH = 10.92? You may assume that the volume of the solution doesn't change when the (C2H5)2NH2Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.

A chemistry graduate student is given 250. mL of a 0.80M diethylamine ((C,H5), NH) solution. Diethylamine
is a weak base with K= 1.3 × 10`. What mass of (C,Hg), NH, Br should the student dissolve in the
%3D
(C,H) NH solution to turn it into a buffer with pH = 10.92?
You may assume that the volume of the solution doesn't change when the (C, H) NH, Br is dissolved in it.
Be sure your answer has a unit symbol, and round it to 2 significant digits.

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