The half-life of a first order reaction is determined to be 65.0 years. How long will it take for the concentration of the reactant to reach 2% of its initial value?

5 answers

366.85
65.0 times 5.64386 = answer
Nice Short cut...!!
You are not allowed to post answers to exam problems. Collaboration of any form is strictly
forbidden in the midterms and the final exams.
This is a question from the second midterm of 3.091x by edx. Stop cheating, it's silly and pointless.