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For a first order of reaction, it takes 5 min for the initial conc. Of 0.6mol/L to be come 0.4mol/L. How many long will it take for the initial conc? To become 0.3mol/L

For a first order of reaction, it takes 5 min for the initial conc. Of 0.6mol/L to be come 0.4mol/L. How many long will it take for the initial conc? To become 0.3mol/L

Grade:Upto college level

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
9 years ago
we have T=2.303log(initial conc/final conc)/k
(1)5=2.303/klog(6/4)
(2)t=2.303*5log2/2.303log1.5
therefore time taken=5*.3010/.176=8.55 min

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