Chemistry, 13.07.2019 22:30 chefjones06p0gvlh

The half - life technetium - 99 is 6 hours. how much of a 192 mg sample will have decayed after 30 hours?

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The half - life technetium - 99 is 6 hours. how much of a 192 mg sample will have decayed after 30 h...

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