In a mixture of weak acid and its salt, the ratio of concentration of acid to salt is increased ten fold. The pH of the solution is ________.
decreases by 1/10
increases by 1
increases ten fold
decreases by 1
A
decreases by 1
B
increases ten fold
C
decreases by 1/10
D
increases by 1
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Solution
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Assume in the original mixture, [salt]=[acid].
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