Question

solve if any first order reaction of first order take time to complete 15 percent of 20 min . then who much time is required to 75 percent complete the reaction


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Answer 1

I think the answer is.
1.125

Answer 2

hey
Nice q and here is the answer.
Given: 15%=20 min
now,
for 15 % it is taking = 20 min or 1200 sec
then for 1 min it will take =20/15%
and we will get 400/3
so, for 75% we will get
400/3*75% and answer is 100 minutes
hope it will help you. bye