The half-life for the first-order decomposition of N2O5 is 2.05 x 104 s. How long will it take for a sample of this compound to decay to 80% of its initial value?
a. 8.97 x 107 s b. 1.51 x 106 s c. 6.60 x 107 s d. 1.48 x 107 s
Answer: d
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