3. The formation of ethyl formate at 303 K occurs according to the first-order reaction equation
(reaction here)
The following results were obtained:
t, min 0 1700 10000 14000 20000 40000
Volume of acid at a given moment, cm3 29.44 28.59 54.77 23.05 51.28 16.80
The acid concentration was determined by titration. The constant of the reverse reaction k-1 = 1.15 * 10-5 min-1. The concentration of the product of the forward reaction at the initial moment is 0. Determine the constant of the forward reaction.

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