Asked by kjlee
Answered Out

The half-life of cobalt-60 is 5.3 years. If you have a sample that contains 10.0 g of the isotope, how much will be left after 15.9 years?

A. 2.5 g
B. 5.0 g
C. 1.25 g
D. 0.625 g

7 months ago Give Answer

I think the answer will be b

Answerd by drgutierrez
2 weeks ago 12 1.0