Chemistry
posted by OhSnap on .
If a 100.0 gram sample of a radioactive isotope goes through three halflives, how much of the original radioactive isotope will remain?

2^3 = 8
So 1/8 of the sample will remain.
1/8 x 100 = 12.5g remaining.
posted by OhSnap on .
If a 100.0 gram sample of a radioactive isotope goes through three halflives, how much of the original radioactive isotope will remain?
2^3 = 8
So 1/8 of the sample will remain.
1/8 x 100 = 12.5g remaining.