6. If a 6.13-g sample of an isotope having a mass number of 124 decays at a rate of 0.350 Ci, what is its half- life. 7.
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6. If a 6.13-g sample of an isotope having a mass number of 124 decays at a rate of 0.350 Ci, what is its half- life. 7.
6. If a 6.13-g sample of an isotope having a mass number of 124 decays at a rate of 0.350 Ci, what is its half- life. 7. A 12.0-g sample of carbon from living matter decays at the rate of 184 decays>minute due to the radioactive C in it. What will be the decay rate of this sample in (a) 1000 years and (b) 50,000 years?
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