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Lingareddy 1
CH3COOH+NaOH→CH3COONa+H2O Moles of CH3COOH=0.1×30×1=3 mmol Moles of NaOH=0.2×10×1=2 mmol [salt]=2 mmol pH is given by the pH=pKa+log(salt/acid ) Ka=1.8×10^-5 pKa=4.74 pH=4.74+log(2/3) pH=4.56