Posted by **sandrine** on Wednesday, January 6, 2010 at 6:29pm.

i have difficulty in this question. any help would be appreciated.

1) What pH corresponds to each of the following: (a) (H+)=0.35M,(b)(OH^-)= 6.0*10^-6M. (d)(H+)= 2.5*10^-8M?

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