posted by kavin .
100 ml of 0.02 M acetic acid (pKa= 4.76) is titrated with 0.02 N KOH. After adding
some base to the acid solution, the observed pH is 2.76. At this pH degree of protonation
the answer is 99%
calculate the concentration of acid before addition of base and after addition of base and divide
you will get your answer