A radioactive isotope having a half life of 3 days was received after 12 day. It was found that there were5 g of the isotope in the container. The initial weight of the isotope when packed was? Share with your friends Share 0 Arpita Jain answered this Hi,Time=12 daysHalf life= 3 daysTherefore, number of half lives, n= TimeHalf life=123A= Final amount of radioctive material after decayA0= Initial amount of radioctive material before decayA=A02n=5=A024A0=80 gRegards -2 View Full Answer Prashant answered this 80 -2
