Chemistry, 21.05.2020 01:08 genyjoannerubiera

If 0.04625 mg. of Uranium-235 remains after 2.8 x 10^9 years, what was
the original mass of the sample of Uranium-235? The half-life of Uranium-235 is 7.0 x 10^8 years.

Answers: 2

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If 0.04625 mg. of Uranium-235 remains after 2.8 x 10^9 years, what was
the original mass of th...