Chemistry, 07.07.2019 11:30 WhiteMex69

Ihave answeruranium–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? answer is 11.2g

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

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