A radioactive element has a half-life of 10 days. If 800 g of the element are now available in a laboratory, how much will remain after 25 days?

asked Nov 27, 2018 135k views

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Total half lives (n) = 25/10=2.5T
Ending amount= Beganing amount/2^n
= 800/2^2.5
= 141.41g

Hiery Nomus answered Dec 3, 2018

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