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Homework Help: Secular equilibrium

  1. Aug 10, 2008 #1
    1. The problem statement, all variables and given/known data
    What mass of Po-212 (T1/2=0.16sec) is in secular equilibrium with Th-232(T1/2=1.41 x10^10years)? Using A(r)=232.04g.mol-1 for Th-232 and A(r)=211.99g.mol-1 for Po-212


    2. Relevant equations



    3. The attempt at a solution
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Aug 10, 2008 #2

    tiny-tim

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    Science Advisor
    Homework Helper

    Welcome to PF!

    Hi mpoesr ! Welcome to PF! :smile:

    Show us what equations you've tried, and where you're stuck, and then we'll know how to help! :smile:
     
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