A first-order reaction has a rate constant of 7.5 × 10^-3s^-1. The time required for the reaction to be 60% complete is A) 3.8 × 10^-3 s. B) 6.9 × 10^-3 s. C) 68 s. D) 120 s. E) 130 s.

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The Answer of A first-order reaction has a rate constant of 7.5 × 10^-3s^-1. The time required for the reaction to be 60% complete is A) 3.8 × 10^-3 s. B) 6.9 × 10^-3 s. C) 68 s. D) 120 s. E) 130 s.

A First-Order Reaction Has a Rate Constant of 7