Chemistry, 24.03.2020 01:53 lllamasarebae3061
Radium-223 has a half-life of 11.0 days. How much of a 60.0 mg sample of Ra-223 is still active after 44.0 days?
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Radium-223 has a half-life of 11.0 days. How much of a 60.0 mg sample of Ra-223 is still active afte...
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