Radioactive 214^83 Bi has a half-life of 19.9 min if the activity of the radionuclide 1.2 hours after production is 0.058Ci. How much of 214^83 Bi was initially prepared?
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Radioactive 214^83 Bi has a half-life of 19.9 min if the activity of the radionuclide 1.2 hours after production is 0.058Ci. How much of 214^83 Bi was initially prepared?
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