Chemistry, 07.09.2019 05:30 ilovecatsomuchlolol
The isotope "sr has a half-life of 28.8 years. what is the activity, measured in atoms/second, of a 50 mg sample of "sr? (10 pts.)
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The isotope "sr has a half-life of 28.8 years. what is the activity, measured in atoms/second, of a...
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