A first order reaction takes 23.1 minutes for 50% completion.calculate the time required for 75% completion of this reaction.
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amount left = 25%
initial amount = 100%
time can be calculated by using
a-x = a/2^n
where
a is total amount
x is amount consumed
n is ratio of timetaken to t1/2
t1/2 is half period
: 25 = 100/2^n
: 2^n =4
: n = 2
: timetaken/t1/2 = 2
:timetaken = 2 × 23.1= 46.2 min
initial amount = 100%
time can be calculated by using
a-x = a/2^n
where
a is total amount
x is amount consumed
n is ratio of timetaken to t1/2
t1/2 is half period
: 25 = 100/2^n
: 2^n =4
: n = 2
: timetaken/t1/2 = 2
:timetaken = 2 × 23.1= 46.2 min
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