The reaction, A → products, is known to be first order with respect to the concentration of A and first order overall. The rate constant for the reaction is 0.0400 min-1 at a certain temperature. If the initial concentration of A is 1.600 M. What will be the concentration of A after 22.5 min? Answer M How long would it take for 40.0% of the starting material (A) to undergo reaction? Answer min

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