A tribasic acid ,H_(3)A, dissociates into a dibasic acid , H_(2)B and a monobasic HC, obeying first order kinetics. H_(3)A to H_(2)B+ HC , k =0.04 "min"^(-1) the kinetics is studied by withdrawing a definite volume (5 ml) of the reaction mixture at different times and titrating it with 0.4 M Na OH solution. If the volume of Na OH solution needed for complete titration at t=0is 25 ml, then the volume (in ml) of Na OH solution needed for titration at t=25min is :

A tribasic acid ,H_(3)A, dissociates into a dibasic acid , H_(2)B and

1.	A tribasic acid ,H_(3)A, dissociates into a dibasic acid , H_(2)B and a monobasic HC, obeying first order kinetics. H_(3)A to H_(2)B+ HC , k =0.04 "min"^(-1) the kinetics is studied by withdrawing a definite volume (5 ml) of the reaction mixture at different times and titrating it with 0.4 M Na OH solution. If the volume of Na OH solution needed for complete titration at t=0is 25 ml, then the volume (in ml) of Na OH solution needed for titration at t=25min is :
Answer» ANSWER :25