The half life of iodine-125 is 60 days. If there was 4000 g of Iodine-125 to start, how much would be left after 360 days?

asked Oct 10, 2020 231k views

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3 votes

360 days = 6 half lives
4000/(2^6) = 62.5
There would be 62.5g left

Heyr answered Oct 13, 2020

by Heyr

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