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 0.50 s?
A) 0.64
B) 1.7
C) 0.19
D) 0.11
E) 0.39
Correct Answer:

Verified
Correct Answer:
Verified
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