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A chemistry graduate student is given 250 ml. of a 1.30 M diethylamine ((C₂H,), NH) solution. Diethylamine is a weak base with K, -1.3 x 10 What mass of (C₂H,), NH,CI should the student dissolve in the (C₂H,), NH solution to turn it into a buffer with pH-10.777 You may assume that the volume of the solution doesn't change when the (C₂H), NH, CI is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0 D.P X

A chemistry graduate student is given 250 ml. of a 1.30 M diethylamine ((C₂H,), NH) solution. Diethylamine is a weak base with K, -1.3 x 10 What mass of (C₂H,), NH,CI should the student dissolve in the (C₂H,), NH solution to turn it into a buffer with pH-10.777 You may assume that the volume of the solution doesn't change when the (C₂H), NH, CI is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0 D.P X

Chemistry: Principles and Reactions
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 54QAP: Ammonia gas is bubbled into 275 mL of water to make an aqueous solution of ammonia. To prepare a...
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A chemistry graduate student is given 250. mL of a 1.30M diethylamine ((C₂H₂), NH) solution. Diethylamine is a weak base with K,-1.3×10 What mass of (C₂H₂)₂NH₂Cl should the student dissolve in the (C₂H,), NH solution to turn it into a buffer with pH-10.777 You may assume that the volume of the solution doesn't change when the (C₂H₂), NH,CI is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0 D.P X
Transcribed Image Text:A chemistry graduate student is given 250. mL of a 1.30M diethylamine ((C₂H₂), NH) solution. Diethylamine is a weak base with K,-1.3×10 What mass of (C₂H₂)₂NH₂Cl should the student dissolve in the (C₂H,), NH solution to turn it into a buffer with pH-10.777 You may assume that the volume of the solution doesn't change when the (C₂H₂), NH,CI is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0 D.P X
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