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April 20, 2014

Homework Help: Chemistry

Posted by Trixie on Tuesday, March 16, 2010 at 8:22pm.

Calculate the pH of the solution that results from mixing the following reagents. Refer to table 1.
mix 0.189 L of 0.019 M (CH3)2NH(aq) with 0.327 L of 0.011 M (CH3)2NH2Cl(aq)

I tried using the Henderson-Hasselbach equation by finding the pKa but it didn't work....I am still unsure of how to go about setting up the Kb (or Ka) expression in problems like this. Kb is 5.4E-4 and pKb is 3.27

Thanks

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