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A first order reaction has a specific re...

A first order reaction has a specific reaction rate of `10^(-2) sec^(-1)`. How much time will it take for `20g` of the reactant to reduce to `5g` ?

A

238.6 sec

B

138.6 sec

C

346.5 sec

D

693.0 sec

Text Solution

Verified by Experts

The correct Answer is:
B
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