Assuming that the half-life of Isotope Q is 7.5 minutes, what amount of an original
150.0 gram sample of Isotope Q will remain after a half hour?

1. 37.5 g
2. 18.75 g
3. 80 g
4. 9.375 g

Respuesta :

I think b I am not so sure
B is the answer for the question
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