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OpenStudy (anonymous):
Hydrogen-3 is an isotope. It has a half-life of 12.3 years. 61.5 years have passed since we started out with 1500g of Hydrogen-3. How much Hydrogen-3 is left?
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OpenStudy (anonymous):
These are the answer choices! 750g 93.75g 46.875g
OpenStudy (johnweldon1993):
Want this one too? ;) \[\huge N(t) = 1500g(\frac{1}{2})^{\frac{61.5}{12.3}}\] Which comes out to 46.875g :)
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