A First-Order Reaction Is 40 $\times$ 10^-2
B)1 $\times$ 10^-2
C)94

Multiple Choice

A first-order reaction is 40.0% complete at the end of 48.1 minutes.What is the value of the rate constant (in min^-1) ?

A) 1.90 $\times$ 10^-2
B) 1.06 $\times$ 10^-2
C) 94.2
D) 52.5
E) none of these