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5.) What is the specific activity (Ci/g) if 1.65 mg of an isotope emits 1.56x10 alpha particles per second? 6.) The isotope Bismuth-212 has a

5.) What is the specific activity (Ci/g) if 1.65 mg of an isotope emits 1.56x10 alpha particles per second? 6.) The isotope Bismuth-212 has a half-life of 1.01 years. What mass (in mg) of a 2.00-mg sample will remain after 3.75x103 hours

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