The decomposition of NO2 is a second order reaction and the rate constant is 0.755 L/mol-s. In an experiment, the initial concentration of NO2 was 0.00650 mol/L. How many seconds will it take for the concentration of NO2 to drop to 0.00100 mol/L? Select one: a. 1.15 x 103 b. 1.12 x 103 c. 1.17 x 103 d. 1.18 x 103

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