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OpenStudy (anonymous):
what's the pH of this buffer?? please help!!!!! a buffer is made by dissolving 28.8 g of sodium benzoate (C6H5COONa) in 1 dm3 of 0.4 mol/dm3 benzoic acid (C6H5COOH). Ka(benzoic acid) = 6.4 x 10^ -5 mol/dm3
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OpenStudy (mos1635):
convert 28.8 gr to moles find concetration of C6H5COONa in solution aplay Hen_Haz formula........
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