Question: A second-order reaction of the type A + B products, 40% is completed in 120 min when the reagent concentrations are equal to 0.02

A second-order reaction of the type A + B → products, 40% is completed in 120 min when the reagent concentrations are equal to 0.02 mol / L.
a) Calculate the rate constant and the half-life,
b) The time it takes to complete 0% when reagent concentrations are 0.1 mol / L.

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