A buffer solution contains and 0.486 M CH3NH2 (m Determine the pH change is added to 1.00 L of the b Kb (CH3NH₂) = 4.2 x 1 pH after addition - pH bef change =

Chemistry by OpenStax (2015-05-04)
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ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter14: Acid-base Equilibria
Section: Chapter Questions
Problem 101E: A buffer solution is prepared from equal volumes of 0.200 M acetic acid and 0.600 M sodium acetate....
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A buffer solution contains 0.201 M CH3NH3 Br
and 0.486 M CH3NH2 (methylamine).
Determine the pH change when 0.115 mol HBr
is added to 1.00 L of the buffer. (Assume
Kb (CH3NH₂) = 4.2 × 10-4.)
pH after addition
change
=
Submit Answer
-
pH before addition = pH
Retry Entire Group
9 more group attempts remaining
D
Transcribed Image Text:A buffer solution contains 0.201 M CH3NH3 Br and 0.486 M CH3NH2 (methylamine). Determine the pH change when 0.115 mol HBr is added to 1.00 L of the buffer. (Assume Kb (CH3NH₂) = 4.2 × 10-4.) pH after addition change = Submit Answer - pH before addition = pH Retry Entire Group 9 more group attempts remaining D
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