Chemistry, 25.10.2020 01:40 chony83

1. The half-life of polonium-210 is 138.4 days. How many milligrams of polonium-210 remain after 415.2 days if you start with 2.0 mg of the isotope?

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1. The half-life of polonium-210 is 138.4 days. How many milligrams of polonium-210 remain after 41...

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