Posted by **victoria** on Wednesday, January 6, 2010 at 6:36pm.

i need help with this question.

What pH corresponds to each of the following: (a) (H-)=7.3*10^-5M, (b)(H+)=0.084M,(c)(OH-)= 3.3*10^-4M, (d) (OH-)= 0.042M?

Thank you.

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