chistryKILLSme chistryKILLSme
  • 24-01-2017
  • Chemistry
contestada

The half life of thorium – 233 is 24 days. If you have a 42.0 g sample of thorium – 24, how much will remain after 72 days?

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QUEZ1987 QUEZ1987
  • 24-01-2017
14 GALLONS WILL BE LEFT I THINK

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joannapuga360
joannapuga360 joannapuga360
  • 25-01-2017
42.0g ---2.0g---6.0g---3.0g
24. 24. 24. = 72 days
Always want to divide the sample in half.
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