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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

60 s

B

76 s

C

50 s

D

44 s

Text Solution

Verified by Experts

The correct Answer is:
C
`K = 2.303/t log a/(a-x)`
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