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For the reaction A rarr B that is first-...

For the reaction A `rarr` B that is first-order in A, The rate constant is `2.08xx10^(-2)s^(-1)`. How long would it take for [A] to change from `0.100M` to `0.0450M` ?

A

`0.0166s`

B

`16.7s`

C

`38.4s`

D

107 s

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C
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