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A chemistry graduate student is given 100. mL of a 0.90M trimethylamine ((CH3)₂N) S solution. Trimethylamine is a weak base with K₂=7.4 x 104. What mass of (CH3)2NHCI should the student dissolve in the (CH3)2N solution to turn it into a buffer with pH = 10.66? (CH3)2NHC1 is dissolved in it. Be sure your answer has a unit symbol, and round it You may assume that the volume of the solution doesn't change when the to 2 significant digits. 11 X 3

A chemistry graduate student is given 100. mL of a 0.90M trimethylamine ((CH3)₂N) S solution. Trimethylamine is a weak base with K₂=7.4 x 104. What mass of (CH3)2NHCI should the student dissolve in the (CH3)2N solution to turn it into a buffer with pH = 10.66? (CH3)2NHC1 is dissolved in it. Be sure your answer has a unit symbol, and round it You may assume that the volume of the solution doesn't change when the to 2 significant digits. 11 X 3

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 93QRT: When 40.00 mL of a weak monoprotic acid solution is titrated with 0.100-M NaOH, the equivalence...
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A chemistry graduate student is given 100. mL of a 0.90M trimethylamine ((CH3)N) solution. Trimethylamine is a weak base with K₁=7.4 × 104. f (CH3)2NHCl should the student dissolve in the (CH3)2N solution to turn it into a buffer with pH = 10.66? mass of You may assume that the volume of the solution doesn't change when the (CH3)2NHC1 is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0x12 What X S ? EFET ol Ar
Transcribed Image Text:A chemistry graduate student is given 100. mL of a 0.90M trimethylamine ((CH3)N) solution. Trimethylamine is a weak base with K₁=7.4 × 104. f (CH3)2NHCl should the student dissolve in the (CH3)2N solution to turn it into a buffer with pH = 10.66? mass of You may assume that the volume of the solution doesn't change when the (CH3)2NHC1 is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0x12 What X S ? EFET ol Ar
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