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Chemistry, 06.11.2019 08:31 angie249

Uranium–232 has a half–life of 68.9 years. a sample from 206.7 years ago contains 1.40 g of uranium–232. how much uranium was originally present?

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Uranium–232 has a half–life of 68.9 years. a sample from 206.7 years ago contains 1.40 g of uranium–...

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