Chemistry
posted by Queen on .
the concentration of tritium in the wine is 0.34 times that found in the freshly bottled wines. if the half life of the tritium is 12.3 years, estimate the time elapsed since the wine was bottled. help please. thank you :)

time
= (half life)*ln(fraction remaining)/ln(2)
= (12.3)*(0.34)/ln(2)
= 19.1 years. 
thanks a lot :)

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