Question 18: A first order reaction has a rate constant of 2.56 min-1. Fill in the missing values to three significant figures The half life of the reaction is 0.271 minutes. The time required for 75.0 percent of the reactant to react is 1.39 * minutes. The time required for 95.0 precent of the reactant to react is 3.00 * minutes The percentage of reactant remaining after 45.0 seconds is 5.0 * percent 1/4 C Retry

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