For saponification of methyl acetic ester with alkali
CH3COOCH3 NaOH → CH3COONa CH3OH
at 298 K the results are given in the table. In the experiment, the initial concentrations of alkali and ether were the same and equal to 0.01 g-equiv/l. Determine the order and rate constant of the reaction.

Time, min 3 5 7 10 15 25
cNaOH×103, g-eq/l 7.40 6.34 5.50 4.64 3.63 2.54

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