Determine the activation energy of the reaction below using the data provided in the table.
CH3CO2C2H5(aq) + OH-(aq) yields CH3CO2-(aq) + C2H5OH(aq)
Temp (Celcius) Rate Constant, k (M-1 s-1)
15 0.0521
25 0.101
35 0.184
45 0.332
57.1 kJ/mol
not enough information
47.5 kJ/mol
5.71 kJ/mol
57.1 kJ/mol