kkelizabeth2016 kkelizabeth2016

04-12-2017
Chemistry

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If a sample initially contains 100 g of a radioactive isotope, how much will be left after 3 half lives? Question 1 options: 50 g 25 g 12.5 g 6.25 g

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Аноним Аноним

04-12-2017

Hello,

6.25 grams would be your answer b/c as you divide into 3 and as the 3 half lives, I would simplify that also which would give me 6.25

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Аноним Аноним

04-12-2017

6.25 grams

hope it helps :)

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