What A chemistry graduate student is given 500. mL of a 1.50M trimethylamine (CH, N solution. Trimethylamine is a weak base with K, =7.4 x 10 mass of (CH, NHCI should the student dissolve in the (CH, N solution to turn it into a buffer with pH =11.39? You may assume that the volume of the solution doesn't change when the (CH, NHCI is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.
What A chemistry graduate student is given 500. mL of a 1.50M trimethylamine (CH, N solution. Trimethylamine is a weak base with K, =7.4 x 10 mass of (CH, NHCI should the student dissolve in the (CH, N solution to turn it into a buffer with pH =11.39? You may assume that the volume of the solution doesn't change when the (CH, NHCI is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.
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 500. mL of a 1.50M trimethylamine ((CH,) N solution. Trimethylamine is a weak base with K,=7.4 ×10
mass of (CH,) NHCI should the student dissolve in the (CH,) N solution to turn it into a buffer with pH =11.39?
You may assume that the volume of the solution doesn't change when the (CH,) NHC1 is dissolved in it. Be sure your answer has a unit symbol, and round it
to 2 significant digits.
10](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2003d332-f35a-4e8d-8a41-5d3fb7e691ff%2F396b1bab-08ea-40b7-98a2-bc91dbc28c41%2Fsudnmjo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A chemistry graduate student is given 500. mL of a 1.50M trimethylamine ((CH,) N solution. Trimethylamine is a weak base with K,=7.4 ×10
mass of (CH,) NHCI should the student dissolve in the (CH,) N solution to turn it into a buffer with pH =11.39?
You may assume that the volume of the solution doesn't change when the (CH,) NHC1 is dissolved in it. Be sure your answer has a unit symbol, and round it
to 2 significant digits.
10
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