Homework Help: Chemistry

Posted by Hannah on Wednesday, April 18, 2012 at 5:25pm.

A 21.2mL sample of 0.307M ammonia, NH3 is titrated with 0.259 M hydrobromic acid. What is the pH before the addition of any hydrobromic acid?

I am not sure how to start this. I know I could completeit if I knew where to start. Would I set up a moles table?

Chemistry - Hannah, Wednesday, April 18, 2012 at 5:51pm
Please disregard question.

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