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A Reaction That Is Second-Order in One Reactant Has a Rate

Question 83

Multiple Choice

A reaction that is second-order in one reactant has a rate constant of 3.8 × 10-2 L/(mol ∙ s) .If the initial concentration of the reactant is 0.280 mol/L,how long will it take for the concentration to become 0.140 mol/L?


A) 180 s
B) 47 s
C) 930 s
D) 18 s
E) 93 s

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