A first order reaction completes 60% 20 minutes. The time required for the completion of 90% of the reaction is approx………..

A first order reaction completes 60% in 20 minutes. The time required for the completion of 90% of the reaction is approx………..

20% first order reaction is completed in 50 minute. Time required for the completion of 60% of the reaction is

20% first order reaction is completed in "50" minutes.Time required for the completion of 60% of the reaction is

A First order reaction is 50% complete in 69.3 minutes. Time required for 90% completion for the same reaction is

Time required to complete 90% of the first order reaction is

A first order reaction is 40% completed in 50 minutes. What is the time required for 90% of the reaction to complete?

The time of completion of 90% of a first order reaction is approximately