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An 80g sample of 3 1 H decays, leaving 2.5g of 3 1 H. 1. How long would this take? 2. What percentage of this sample would be left? 3. What fraction of this sample would be left? 3 1 H -> 3 2 He + 0 -1
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An 80g sample of 3 1 H decays, leaving 2.5g of 3 1 H.

1. How long would this take?
2. What percentage of this sample would be left?
3. What fraction of this sample would be left?

3 1 H -> 3 2 He + 0 -1 /3 t1/2= 12.3 years

User SchmitzIT
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User Pcrost
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