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Chemistry, 22.06.2021 21:20 texas101st78

How much Cu-61 (half-life about 3 hours) would remain from a 2 mg sample after 6 hours?
A. 0.125 mg
B. 0.25 mg
C. 0.5 mg
O D. 1 mg

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How much Cu-61 (half-life about 3 hours) would remain from a 2 mg sample after 6 hours?
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