Chemistry
Ralucutzaaaaaa
15

If the half-life of a radioactive substance is 2 seconds, how much of a 100-gram sample would be left after 8 seconds?

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(1) Answers
Maryanne545

m₀=100 g T=2 s t=8s m=m₀/{2^(t/T)} m=100/{2^(8/2)}=100/2⁴=6.25 g

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