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A reaction occurs that is first order with respect to A. If [A]o is 3.5 M...

A reaction occurs that is first order with respect to A.

If [A]o is 3.5 M and k = 2.5 x 10-3 s-1, what is [A]t when t = 100 s?

A. 4.28 M

B. 2.73 M

C. 5.67 M

D. 3.52 M

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