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Chemistry, 12.06.2020 16:57 kekoanabor19

(c) A chemist obtains a fresh sample of 84Rb and measures its radioactivity. She then determines that to do an experiment, the radioactivity cannot fall below 50.0% of the initial measured value. How long does she have to perform the experiment

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(c) A chemist obtains a fresh sample of 84Rb and measures its radioactivity. She then determines tha...

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