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QUESTION
Radioactive decay. The radionuclide 64Cu has a half-life of 12.7 h. (a). How much of an initially pure 5.50 g sample of 64Cu will decay during the
Radioactive decay.
The radionuclide 64Cu has a half-life of 12.7 h.
(a). How much of an initially pure 5.50 g sample of 64Cu will decay during the 2.00 h period beginning 14.0 h later?
(b). What is the activity at 14.0 h ?
