A buffered solution containing dissolved aniline, C,H,NH,, and aniline hydrochloride, C,H;NH,CI, has a pH of 5.50.A. Determine the concentration of C,H,NH in the solution if the concentration of C,H,NH, is 0.305 M. The pKp of aniline is9.13.0.07|C,H,NH¡] =MIncorrectB. Calculate the change in pH of the solution, ApH, if 0.374 g NaOH is added to the buffer for a final volume of 1.05 L. Assumethat any contribution of NaOH to the volume is negligible.11.95ApH =|Incorrect

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d to the buffer for a final vo

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.53PAE: The ore cinnabar (HgS) is an important source of mercury. Cinnabar is a red solid whose solubility...

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Question

A buffered solution containing dissolved aniline, C,H,NH,, and aniline hydrochloride, C,H;NH,CI, has a pH of 5.50.
A. Determine the concentration of C,H,NH in the solution if the concentration of C,H,NH, is 0.305 M. The pKp of aniline is
9.13.
0.07
|C,H,NH¡] =
M
Incorrect
B. Calculate the change in pH of the solution, ApH, if 0.374 g NaOH is added to the buffer for a final volume of 1.05 L. Assume
that any contribution of NaOH to the volume is negligible.
11.95
ApH =|
Incorrect

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