If the decomposition of reactant A follows first-order kinetics, what concentration of A remains if [A]o = 0.273 M, k = 1.53 x 10-2 minutes-1, and the elapsed time = 1.61 hr? (A) 0.009 M (в) 0.273 М c) 0.0623 M (D) 0.109 M

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