Answer to Question #275351 in General Chemistry for Renee

Question #275351

The half-life of radon-222 is 3.8 days. How much of a 100.o g sample is left after 15.2 days

Expert's answer

If 4 half-lives have elapsed, 1/2×1/2×1/2×1/2 = 1/16 of the original quantity of ²²²Rn will remain.

Thus 100 g × 1/16 = 6.25 g

Learn more about our help with Assignments: Chemistry

No comments. Be the first!

Who Can Help Me with My Assignment

There are three certainties in this world: Death, Taxes and Homework Assignments. No matter where you study, and no matter…
How to Finish Assignments When You Can’t

Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for.…
How to Effectively Study for a Math Test

Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…