Question

a first order rexn is 15% complete in 20 minutes.in what time will the rexn be 60% complete​

Answer 1

Answer:

80 minutes

Explanation:

given

first order rexn of 15% completed in 20 minutes

15%=20min

1%=20/15

60%=(20/15)×60

in 80min 60% of rexn will be completed

hope it helps you