93 Решение задачки по химии №09 398

1. It has been established that the process of decomposition of organic matter is described by the kinetic equation for first-order reactions. Determine the half-life of this substance, as well as the period of time during which its concentration will be X% of the original. The value of the reaction rate constant (K) is given in table I.

option number K*104, s-1 X, %
9 0.8 35

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