Secular Equilibrium Mass: Th-232 & Po-212

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Homework Statement


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


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The Attempt at a Solution


 
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mpoesr said:
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

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