Answer:
This is the complete part of the question ; the initial concentration are [NaOH]= 0.06 mol/dm^3 and [CH3COOC2H5]=0.110 mol/dm^3 ?
a) concentration of ester (CH3COOC2H5) after 20s = 0.098mol/dm3
b) concentration of ester (CH3COOC2H5) after 15mins = 0.1010mol/dm3
Explanation:
The detailed derivation of second order rate law from first principle and the appropriate substitution is a shown in the attachment.