`90%` of a first order reaction was completed in `100 min`. How much time it will take for `80%` completion of a reaction

80% of a first order reaction was completed in 70 min. How much it will take for 90% completion of a reaction?

80% of a fisrt order reaction was completed in 70 min . How much it will take for 90% completion of a reaction?

80% of a fisrt order reaction was completed in 70 min . How much it will take for 90% completion of a reaction?

40% of a first order reaction is completed in 50 minutes. How much time will it take for the completion of 80% of this reaction?

A first order Reaction completes 50% in 25 min.How much time will it take to complete 75% of reaction?

A first order reaction is 40%. Complete in 50 minute. How long will it take to 80% complete.

A first order reaction is 50% complete in 69.3 minutes. Calculate the time for 80% completion of the reaction.