Chemistry, 01.06.2021 23:20 SweetBriar

The decomposition of a certain insecticide in water follows first-order kinetics with a rate constant of 1.45 yr-1. A quantity of this insecticide is washed into a lake on June 1, leading to a concentration of 5.0 x 10-7 g/cm3. How many years would it take for 90% of the insecticide to decompose

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