9. 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 В. О.069 М C. 0.091 M D. 0.075 M Е. О.13 М

9. 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 В. О.069 М C. 0.091 M D. 0.075 M Е. О.13 М

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 40QRT

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#6 Q9

9. 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
Е. 0.13 М

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