Chemistry, 07.10.2020 14:01 goalltheway4768

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–...