Problem: The half-life of iodine-131 is 8.04 days. Calculate the percent of an iodine sample left after exactly 2 days.   a) 84.2% b) 82.0% c) 67.2% d) 6.17% e) 57.5% 

FREE Expert Solution
90% (198 ratings)
Problem Details

The half-life of iodine-131 is 8.04 days. Calculate the percent of an iodine sample left after exactly 2 days.

a) 84.2%

b) 82.0%

c) 67.2%

d) 6.17%

e) 57.5% 

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the First Order Half Life concept. You can view video lessons to learn First Order Half Life. Or if you need more First Order Half Life practice, you can also practice First Order Half Life practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofThe half-life of iodine-131 is 8.04 days. Calculate the perc...as low difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Ellen took 3 minutes and 22 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.