Answered: The half-life for a first-order… | bartleby

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The half-life for a first-order reaction is 32 s. What was the original concentration if, after 2.0
minutes, the reactant concentration is 0.062 M?
A. 0.84 M
B. 0.069 M
C. 0.091 M
D. 0.075 M
E. 0.13 M

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