Bblanco05 Bblanco05 20-11-2020 Chemistry contestada 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