Multiple Choice
The chemical acidity of a solution is measured in units of pH:
, where
is the hydrogen ion concentration in the solution.If a sample of rain has a pH of 3.4, how many times higher is its
than pure water's, which has a pH of 7?
A) 
B) 
C) 7
D) 
E) 
Correct Answer:

Verified
Correct Answer:
Verified
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