The decomposition of A to B is a first-order reaction with a
half-life of 29.9 min:
A → 2B
If the initial concentration of A is 0.463 M, how long will it take
for the concentration of A to decrease by 21.3 %?
10.3 min
11.4 min
9.58 min
66.7 min
8.84 min
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