You have 20.0 grams of a mixture of Rn-204 and Rn-205. In exactly 1.0 minute, you notice that 13.3 grams of the Rn sample remain. How many grams of each isotope  were in the original mixture? (half-lives: Rn-204 = 1.24 minutes, Rn-205 = 2.8  minutes.). Explain why your answer makes sense in one sentence

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Chapter1: Chemical Foundations
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You have 20.0 grams of a mixture of Rn-204 and Rn-205. In exactly 1.0 minute, you notice that 13.3 grams of the Rn sample remain. How many grams of each isotope 
were in the original mixture? (half-lives: Rn-204 = 1.24 minutes, Rn-205 = 2.8 
minutes.). Explain why your answer makes sense in one sentence

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