Wednesday
April 16, 2014

Homework Help: chem

Posted by simi on Monday, March 1, 2010 at 11:37pm.

a buffer is made by adding 150 ml of .595M BaF2 and 0f .500M of HF solution.
calculate the pH of this buffer system
calculate the pH of this buffer after adding .100 mol Hcl
calculate the pH of this buffer after adding .0750 mol Ca(OH)2

ka(HF)= 6.9x10^-4
kb(F-)= 1.4 x 10^-11

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