Does the concentration of HC, H,0, increase or decrease when OH is added? O increase O decrease

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
Problem 57P
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Does the concentration of HC, HO, increase or decrease when OH is added?
increase
decrease
Does the concentration of C,H,O, increase or decrease when OH is added?
O decrease
increase
Does the concentration of H, O* change significantly when OH is added?
no
O yes
Does the pH change significantly when OH is added?
O yes
O no
Transcribed Image Text:Does the concentration of HC, HO, increase or decrease when OH is added? increase decrease Does the concentration of C,H,O, increase or decrease when OH is added? O decrease increase Does the concentration of H, O* change significantly when OH is added? no O yes Does the pH change significantly when OH is added? O yes O no
Consider the buffer system composed of benzoic acid, HC, H,O,, and its conjugate base benzoate, C,H,0;.
HC,H,0, + H,0 = H,0* +C,H,0,
Using Le Châtelier's principle, predict how the concentration of each substance changes by the addition of H,O*.
Does the concentration of HC, H,0, increase or decrease when H,0* is added?
O increase
decrease
Does the concentration of C, H,0, increase or decrease when H,O* is added?
O decrease
O increase
Does the concentration of H,O* change significantly when H,O* is added?
O no
Does the concentration of H,O* change significantly when H,Ot is added?
по
yes
Does the pH change significantly when H,O is added?
no
O yes
Using Le Châtclier's principle, predict how the concentration of cach substance changes by the addition of OH.
Does the concentration of HC,H,O, increase or decrease when OH is added?
increase
O decrease
Does the concentration of C,H,O, increase or decrease when OH" is added?
O decrease
Transcribed Image Text:Consider the buffer system composed of benzoic acid, HC, H,O,, and its conjugate base benzoate, C,H,0;. HC,H,0, + H,0 = H,0* +C,H,0, Using Le Châtelier's principle, predict how the concentration of each substance changes by the addition of H,O*. Does the concentration of HC, H,0, increase or decrease when H,0* is added? O increase decrease Does the concentration of C, H,0, increase or decrease when H,O* is added? O decrease O increase Does the concentration of H,O* change significantly when H,O* is added? O no Does the concentration of H,O* change significantly when H,Ot is added? по yes Does the pH change significantly when H,O is added? no O yes Using Le Châtclier's principle, predict how the concentration of cach substance changes by the addition of OH. Does the concentration of HC,H,O, increase or decrease when OH is added? increase O decrease Does the concentration of C,H,O, increase or decrease when OH" is added? O decrease
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