citlallimcfgt1 citlallimcfgt1

17-12-2018
Chemistry

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Radon 222 has a half life of 4 days. If 16g of radon accumulates, how much is left in 20 days

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Ashrag253 Ashrag253

17-12-2018

1/4 g becauss 20/4=5. Half 16 5 times and get 1/4 grams.

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