Answer to Question #198522 in General Chemistry for Sakiyyaa

Question #198522

How old is a bottle of wine if the tritium (3H) content is 25% that of a new wine? The half -life of tritium is 12.5 years?


1
Expert's answer
2021-05-26T07:07:09-0400

"A = Ao\u00d72^{-n}"


where Ao = initial content


A = Content after n half lives


"0.25Ao = Ao\u00d72^{-n}"


n = 2 half lifes


so the umber of years = 2×12.5 = 25 years


so the wine bottel is 25 years old


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