Monday
December 22, 2014

Homework Help: biology

Posted by heather on Tuesday, October 20, 2009 at 10:37pm.

if a solution has a pH of 4 mix to a solution that has a pH of 9 what will be the pH of the mixed solution? will it be acidic or base? please show me how to calculate it.please i need the answer before tomorrow morning. thank you so much. I had been to other sites but i didn't understand it .please help and thank you so much!

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