A chemistry graduate student is given 450. mL of a 0.50M methylamine (CH,NH,) solution. Methylamine is a weak base with K,=4.4 x 10 -4 What mass of CH, NH, Br should the student dissolve in the CH,NH, solution to turn it into buffer with pH = 10.96? You may assume that the volume of the solution doesn't change when the CH,NH,Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. dlo Explanation Check
A chemistry graduate student is given 450. mL of a 0.50M methylamine (CH,NH,) solution. Methylamine is a weak base with K,=4.4 x 10 -4 What mass of CH, NH, Br should the student dissolve in the CH,NH, solution to turn it into buffer with pH = 10.96? You may assume that the volume of the solution doesn't change when the CH,NH,Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. dlo Explanation Check
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 89GQ: A buffer solution is prepared by dissolving 1.50 g each of benzoic acid, C6H5CO2H, and sodium...
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