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A sample contains a mixture of 239Pu and 240Pu in unknown proportions. The activity of the...
A sample contains a mixture of 239Pu and 240Pu in unknown proportions. The activity of the mixed sample was found to be 4.35 x 107 dpm for a sample of 0.125 mg of Pu. Calculate the weight % of each Pu isotope present
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