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Chemistry, 22.10.2020 20:01 iwannasleep

You have a 30-gram sample of Radium 226. It has a half-life of 1620 years. How many years will it take to only have 7.5 grams of Radium 226

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You have a 30-gram sample of Radium 226. It has a half-life of 1620 years. How many years will it ta...
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