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04-10-2008, 11:39 AM
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| CHEMISTRY Homework Question help Please!!?
Got a chemistry question and I really need help plz plz plz~~~ It's related to the chapter - The Nucleus Radioactive copper-64 decays with a half life of 12.8 days A sample contains 28.0mg ^64Cu. How many decay events will be produced in the first second? Assume the mass of ^64Cu is 64.0. Thank YOU!!!      |
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