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April 18, 2014

Homework Help: chemistry

Posted by kelly on Wednesday, October 26, 2011 at 7:36pm.

How many grams of NH4Cl must be added to 0.490 L of 1.70 M NH3 solution to yield a buffer solution with a pH of 9.40? Assume no volume change. Kb for NH3 = 1.8 10-5.

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