A chemistry graduate student is given 300. mL of a 1.30M diethylamine ((C,H5), NH) solution. Diethylamine is a weak base with K=1.3 x 10, What mass of (C,Hs), NH, Br should the student dissolve in the (C,H;), NH solution to turn it into a buffer with pH = 11.05? You may assume that the volume of the solution doesn't change when the (C, H3), NH, Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.

Chemistry: Principles and Reactions
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Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
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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 300 mL of a 1.30 M diethylamine ((C2H5)2NH) solution. Diethylamine is a weak base with Kp = 1.3 x 10-3 What mass of (C2H5)2NH2Br should the student dissolve in the (C2H5)2NH solution to turn it into a buffer with pH = 11.05? 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 300. mL of a 1,30M diethylamine ((C,H5), NH) solution. Diethylamine
is a weak base with K=1.3 x 10, What mass of
(C,Hs), NH, Br should the student dissolve in the
(C,H;), NH solution to turn it into a buffer with pH = 11.05?
You may assume that the volume of the solution doesn't change when the (C, H3)¸ NH, Br is dissolved in it.
Be sure your answer has a unit symbol, and round it to 2 significant digits.
Transcribed Image Text:A chemistry graduate student is given 300. mL of a 1,30M diethylamine ((C,H5), NH) solution. Diethylamine is a weak base with K=1.3 x 10, What mass of (C,Hs), NH, Br should the student dissolve in the (C,H;), NH solution to turn it into a buffer with pH = 11.05? You may assume that the volume of the solution doesn't change when the (C, H3)¸ 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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