Asked by shahd
A 7.2 ´ 10-3 M solution of acetic acid is 5.0% dissociated. In a 7.2 ´ 10-4 M solution, the percentage of dissociation would be
Value
A. The same.
B. >5%.
C. <5%.
D. zero.
E. none of these.
pls explain why the answer is B
Value
A. The same.
B. >5%.
C. <5%.
D. zero.
E. none of these.
pls explain why the answer is B
Answers
Answered by
DrBob222
I would answer this based on Le Chatelier's principle.
CH3COOH + HOH ==> H3O^+ + CH3COO^-
As one adds water, the reaction is shifted to the right. Therefore, the weak acid means more water added which means more ionization.
CH3COOH + HOH ==> H3O^+ + CH3COO^-
As one adds water, the reaction is shifted to the right. Therefore, the weak acid means more water added which means more ionization.
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