Chemistry
Chemistry, 24.07.2019 11:00, jazz9876

The half life of radon-222 is 3.8 days. how much of 100 gram sample is left after 15.2 days? fast!

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The half life of radon-222 is 3.8 days. how much of 100 gram sample is left after 15.2 days? fast!...

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