PH of buffer solution, question for good chemists!

What is the pH of a buffer solution prepared by dissolving 23 g CH 3COONa in a sufficient volume of 0.76 M CH 3COOH to make 0.9 L of the buffer? ( K a (CH 3COOH) = 1.800 x 10 -5).

This one is tough, can any smart chemists solve?

Its already answered in this forum:
http://answers.yahoo.com/question/index?qid=20080722131401AAXW571