Chemistry, 16.02.2021 23:00 kiaramccurty

An unknown radioactive element appears to have a half-life of 5.0 minutes. How much of a 2.0000 gram sample will remain undecayed after 20 minutes?

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An unknown radioactive element appears to have a half-life of 5.0 minutes. How much of a 2.0000 gram...

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