Saturday
April 19, 2014

Homework Help: chem

Posted by marie on Saturday, April 16, 2011 at 3:28pm.

what is the pH change after the addition of 10mL of 1.0M sodium hydroxide to 90mL of a 1.0M NH3/1.0M NH4^+ buffer? Kb ammonia= 1.8 x 10^-5

i found the pH for the original buffer to be 9.255, but i'm not sure how to go about the rest of the question, please, someone help me.

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