Selfiequeen1613 Selfiequeen1613 12-03-2024 Chemistry contestada Sodium-24 is used for monitoring blood circulation. Of 2.26 g initially present, how much remains after 12 hours if the half-life is 15 hours? a) 0.565 g b) 0.753 g c) 1.130 g d) 1.507 g