The sample of polonium - 218 has original mass of 160 micrograms. How much of this sample will be left after three half lives?
The sample of polonium - 218 has original mass of 160 micrograms. How much of this sample will be left after three half lives?
Explanation
After 3 half-lives, the mass remaining is calculated as:
Mass remaining = Initial mass / 2³
= 160 μg / 8
= 20 μg