Sunday
December 21, 2014

Homework Help: chemistry

Posted by Dennis on Sunday, June 16, 2013 at 9:41pm.

What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric acid? (see the Table above for the Ka of hydrofluoric acid; calculate the pH to 2 decimal places) hint: you will have to find the molarity of NaF in this solution.
Acid Dissociation Constant:
HF 6.6 x 10-4

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