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A chemistry graduate student is given 100. mL of a 0.60M diethylamine ((C,H,), NH) solution. Diethylamine is a weak base with K, =1.3 × 10 -3 What mass of (C,H5),NH,CI should the student dissolve in the (C,Hs) NH solution to turn it into a buffer with pH =11.30? You may assume that the volume of the solution doesn't change when the (C,H,) NH,CI 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 100. mL of a 0.60M diethylamine ((C,H,), NH) solution. Diethylamine is a weak base with K, =1.3 × 10 -3 What mass of (C,H5),NH,CI should the student dissolve in the (C,Hs) NH solution to turn it into a buffer with pH =11.30? You may assume that the volume of the solution doesn't change when the (C,H,) NH,CI is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.

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 100. mL of a 0.60M diethylamine ((C,Hs), NI NH) solution. Diethylamine is a weak base with K, = = 1.3 × 10¯°. 3 What masS of (C,Hs) NH,Cl should the student dissolve in the (C,H5), NH solution to turn it into a buffer with pH = 11.30? You may assume that the volume of the solution doesn't change when the (C,H,) NH,Cl is dissolved in it. Be sure your answer has a unit symbol, and round 2 it to 2 significant digits.
Transcribed Image Text:A chemistry graduate student is given 100. mL of a 0.60M diethylamine ((C,Hs), NI NH) solution. Diethylamine is a weak base with K, = = 1.3 × 10¯°. 3 What masS of (C,Hs) NH,Cl should the student dissolve in the (C,H5), NH solution to turn it into a buffer with pH = 11.30? You may assume that the volume of the solution doesn't change when the (C,H,) NH,Cl is dissolved in it. Be sure your answer has a unit symbol, and round 2 it to 2 significant digits.
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