The results in the table below were obtained when 25.0cm of 0.1M potassium hydroxide solution was neutralized with sulphuric acid from a burette.
a) Type in the missing values in the table
BURETTE READINGS     I II III
Final burette readings (cm3) 13.4
23.0
Initial burette readings (cm3) 0.0 3.4 9.6
Volume of the acid used(cm3)
13.5