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The Initial Concentration of Reactant in a First-Order Reaction Is

Question 31

Multiple Choice

The initial concentration of reactant in a first-order reaction is 0.27 M. The rate constant for the reaction is 0.75 s-1. What is the concentration (mol/L) of reactant after 1.8 s?


A) 6.0
B) 1.7
C) 0.070
D) 0.012
E) 1.0

Correct Answer:

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