16. A first-order reaction is 40.0% complete at the end of 28.7 minutes. What is the value of the rate constant (in min^-1)?
(A) 3.19 x 10^-2
(B) 1.78 x 10^-2
(C) 56.2
(D) 31.3
(E) none of these

相關試題

相關試卷