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Nuclear and Solid State Chemistry

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Multiple Choice

Carbon-14 (half-life of 5760 years) is used to determine the age of fossils. A sample contains 200 mg of C-14. How long will it take to reduce C-14 in the sample to 25 mg?

  1. 5760 years
  2. 11520 years
  3. 17280 years
  4. 23040 years
  5. 28800 years
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