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OpenStudy (royalkiwi):
Argon-39 has a half-life of 269 years. How long will it take for 52.5 g of a 60.0 g sample to decay to its daughter isotope?
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OpenStudy (lolaismy):
Half life = (time * log 2) / log (beginning amount / ending amount) I think this is the half life equation you're looking for.
OpenStudy (royalkiwi):
ah I figured it out, thank you though!
OpenStudy (lolaismy):
Elapsed time = Half life * log (beginning amount/ending amount) all over log(2)
OpenStudy (lolaismy):
But good for you have a wonderful night :D
OpenStudy (royalkiwi):
thanks buddy
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