A solution is prepared at 25 °C that is initially 0.081 M in methylamine (CH, NH2), a weak base with K, = 4.4 × 10-“, and 0.070 M in methylammonium chloride (CH3 NH,CI). Calculate the pH of the solution. Round your answer to 2 decimal places.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
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A solution is prepared at

25°C

that is initially

0.081M

in methylamine

CH3NH2

, a weak base with

=Kb×4.410−4

, and

0.070M

in methylammonium chloride

CH3NH3Cl

. Calculate the pH of the solution. Round your answer to

2

decimal places.

A solution is prepared at 25 °C that is initially 0.081 M in methylamine (CH, NH2), a weak base with K, = 4.4 × 10-“, and
0.070 M in methylammonium chloride (CH3 NH,CI). Calculate the pH of the solution. Round your answer to 2 decimal places.
Transcribed Image Text:A solution is prepared at 25 °C that is initially 0.081 M in methylamine (CH, NH2), a weak base with K, = 4.4 × 10-“, and 0.070 M in methylammonium chloride (CH3 NH,CI). Calculate the pH of the solution. Round your answer to 2 decimal places.
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