318 - A buffer solution contains 100ml of 0.01M

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Submitted by admin on Wed, 02/17/2010 - 17:08

A buffer solution contains 100ml of 0.01M CH3COOH and 200ml of 0.02M CH3COONa. 700ml of water is added, pH before and after dilution are (given pKa CH3COOH = 4.74)