Chemistry, 11.10.2019 18:30 Brianna1227

How much of a 500 g sample of potassium-42 is left after 62 hours? the half life of k-42 is 12.4 days

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How much of a 500 g sample of potassium-42 is left after 62 hours? the half life of k-42 is 12.4 da...

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