Chemistry, 07.07.2019 12:00 Chloeangelxoxo

There is a 50 g sample of ra-229. it has a half-life of 4 minutes. how much will be left after 12 minutes? a. 3.13 g b. 6.25 g c. 12.5 g d. 25 g

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There is a 50 g sample of ra-229. it has a half-life of 4 minutes. how much will be left after 12 mi...

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