4. Monochloroacetic acid at 298 K reacts with excess water according to the equation ClCH2COOH HOH→HOCH2COOH HCl. When titrating the sample with an alkali solution, the following data were obtained.
t, min 0 60 780 2070
V,NaOH, ml 12.9 15.8 16.4 20.5
Determine the reaction order, rate constant, and time when all three acids are present in equivalent amounts.

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