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OpenStudy (anonymous):
Nuclear chemistry anyone..? A 52.1mg sample of sodium perchlorate contains radioactive chlorine-36 (whose atomic mass is 36.0 amu). If 29.6% of the chlorine atoms in the sample are chlorine-36 and the remainder is naturally occurring nonradioactive chlorine atoms, how many disintegrations per second are produced by this sample? (The half-life of chlorine-36 is 3.0×10^5 yr.)
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OpenStudy (anonymous):
Nvm got it..... If anyone wants to know how to work this problem just leave a message on here I guess and I'll show you how...
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