If the hydrogen ion concentration in a solution is #7.10 x 10^-5# mol/L, what is the pH?

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Answer 1 · 2017-01-25T18:19:33

#pH~=4#

#pH=-log_10[H_3O^+]#.

We are given that #[H_3O^+]=7.10xx10^-5*mol*L^-1#.

And thus #pH=-log_10(7.10xx10^-5)~=4#