9. The rate constant for N2O5 decomposition reaction is found to be 6.2 x 10-4 S-1. The time required for one-half the N2O5 in a sample to be decomposed is
A. 3710 s
B. 6.2 x 104 s
C. 1120 s.
D. 1513 s
9. The rate constant for N2O5 decomposition reaction is found to be 6.2 x 10-4 S-1. The time required for one-half the N2O5 in a sample to be decomposed is
A. 3710 s
B. 6.2 x 104 s
C. 1120 s.
D. 1513 s