Homework Help: chem class

Posted by jessie on Saturday, November 20, 2010 at 6:30pm.

What is the pH of an aqueous solution at 25° that contains 3.98 × 10-9 M hydronium ion?

chem class - DrBob222, Saturday, November 20, 2010 at 7:17pm
pOH = -log(OH^-)
Then 14 = pH + pOH

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