5) The second order rate constant for the reaction

CH3COOC₂H5(aq) + OH(aq) → CH³CO₂ (aq) + CH³CH₂OH(aq)

is 0.11/(M-s). If the initial concentrations are [NaOH] = 0.50 M and

[CH3COOC₂Hs] = 0.1 M, what is the concentration of the ester after 10 s and after

10 min?