The pH scale is a logarithmic scale.This means that
A) a solution with a pH of 7 is twice as acidic as a solution with a pH of 9.
B) a solution with a pH of 7 is twice as acidic as a solution with a pH of 5.
C) a solution with a pH of 7 is 10 times more acidic than a solution with a pH of 9.
D) a solution with a pH of 7 is 10 times more acidic than a solution with a pH of 5.
E) a solution with a pH of 7 is 100 times more acidic than a solution with a pH of 9.
Correct Answer:
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