Given a 400mg sample of thorium 231 decomposes via beta
a. Given a 400mg sample of Thorium 231 decomposes via beta emission with a half life of 25.5hours, how long would it take,in day, for the sample to deca down to 25mg?
b. Into what daughter nuclide does Thorium-231transform into?
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a given a 400mg sample of thorium 231 decomposes via beta emission with a half life of 255hours how long would it
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