A First-Order Reaction Is 40 $\times$ 10^-2 min^-1
B) 2 $\times$ 10^-2 min^-1
C) 26

Multiple Choice

A first-order reaction is 40.0% complete at the end of 23.9 minutes.What is the value of the rate constant?

A) 3.83 $\times$ 10^-2 min^-1
B) 2.14 $\times$ 10^-2 min^-1
C) 26.1 min^-1
D) 46.8 min^-1
E) none of these