Question: Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 x 10-2 hr -1. If the initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22. hours?
a. 0.0457M
b. 0.105
c. 0.127M
D. 0.492M
e. none of the above