Half-Life of a Mixture
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An assay of an equilibrium ore mixture shows an atomic ratio for U-235 / Pa-231 of 3.04 X 10 ^6 . Calculate the half-life of U-235 from the assay data and the known half-life of Pa-231 (3.28 x 10^4 y). Ignore the Th(231) decay product.
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This solution assists in determining the half-life of a mixture.
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