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in Chemistry by (34.7k points)
A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The initial weight of the isotope when packed was a)12 gm b)24gm c)36 gm d)48 gm
A. 48 g
B. 36 g
C. 24 g
D. 12 g

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