13. The rate constant of a first order reaction is 6.8 x 10 If the initial concentration of thereactant is 0.04 M, what is its molarity after 20 minutes? How long will it take for 25% of thereactant to react?

13. The rate constant of a first order reaction is 6.8 x 10 If the i

1.	13. The rate constant of a first order reaction is 6.8 x 10 If the initial concentration of thereactant is 0.04 M, what is its molarity after 20 minutes? How long will it take for 25% of thereactant to react?
Answer» i DONT KNOW SRRY........