5. Determine the order of the reaction and find the rate constant of the reaction CH3COOC2H5 NaOH↔CH3COONa C2H5OH
t, h 0 300 1380 3300
a-x 0.0200 0.01280 0.00540 0.00289
where a is the initial concentrations of CH3COOC2H5 and NaOH; x is the decrease in the initial substances, mol/l.

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