Chemistry, 16.01.2020 18:31 antcobra

Abiochemist studying breakdown of the insecticide ddt finds that it decomposes by a first order reaction with a half life of 12.0 years. how long does it take ddt in a soil sample to decompose from 413 ppbm to 10.0 ppbm (parts per billion by mass)?

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Abiochemist studying breakdown of the insecticide ddt finds that it decomposes by a first order reac...