The half life of a certain first order reaction is 60 minutes How long will it take for `80%` reaction to occur?

The half life of a first order reaction is 60 min . How long will is take to consume 90% of the reactant?

The half life of a first order reaction is 60 min . How long will is take to consume 90% of the reactant?

Half fife of a first order reaction is 60 min. How long will it take to consume 90% of the reaction’?

Derive an expression for the relation between half life and rate constant for first order reaction. The half life period for first order reaction is 1.7 hrs. How long will it take for 20% of the reactant to disappear?

The half life a first order reaction is1.7hr.How long will it take for 20% of the reactant to react?

If the half-life period of a first order reaction in A is 2 minutes, how long will it take [A] to reach 25% of its initial concentration ?

If the half-life period of a first order reaction in A is 2 minutes, how long will it take [A] to reach 25% of its initial concentration ?