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For the first order reaction, the rate c...

For the first order reaction, the rate constant is `7.7xx10^(-2) sec^(-1)`. Calculate the time required for the initial concentration `1.5` mole of the reactant to be reduced to `0.75` mole.

Text Solution

Verified by Experts

The correct Answer is:
9
`t=2.303/K"log"([A_(0)])/([A])`
`=2.303/(7.7xx10^(-2))xx"log"1.5/0.75`
`=2.303/(7.7xx10^(-2))xx"log"2 ~~9 sec`
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