At 25oC, the rate constant for the first-order decomposition of a solution is k = 6.48 x 10-3 min-1. If the initial concentration of solution is 0.0854 M, what concentration will remain after 185.0 minutes at 25oC?
A. 2.832 M
B. 0.0258 M
C. 0.161 M
D. 1.57 x 10-2 M
E. 2.12 x 10-1 M
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