Question #f777d

1 Answer
Subhrajit M.
Aug 28, 2017

A solution with a pH of 2 is 100 times acidic as a solution of pH 4

Explanation:

pH=2
Then, -logH3O^+=-log10^-2
Concentration of H3O^+ = 10^-2
When pH =4
concentration of H3O^+ = 10^-4
Therefore, 10^-2/10^-4=10^2=100
A solution with a pH of 2 is 100 times acidic as a solution of pH 4

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