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Posted by on Tuesday, December 7, 2010 at 8:03am.

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 :)

  • Chemistry - , Tuesday, December 7, 2010 at 8:30am

    time
    = -(half life)*ln(fraction remaining)/ln(2)
    = -(12.3)*(0.34)/ln(2)
    = 19.1 years.

  • Chemistry - , Tuesday, December 7, 2010 at 9:09am

    thanks a lot :)

  • Chemistry - , Thursday, July 26, 2012 at 12:24pm

    Cesium-137 has a half life of 30.0 years. If initially there are 8.0 kg of cesium-137 present in a sample, how many kg will remain after 60.0 years?

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