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5.0 mg of radioactive nobelium-253 was removed from the reactor to be
used in an exper...
Chemistry, 30.05.2020 23:57 Colorfulpolkadots
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5.0 mg of radioactive nobelium-253 was removed from the reactor to be
used in an experiment. It took 291 seconds (just under 5 minutes) to
get the sample from the reactor to the laboratory. How many milligrams
of nobelium-253 remained upon arrival to the laboratory? The half-life
of nobelium-253 is 97 seconds.
Answers: 2
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