bmlovett2389 bmlovett2389
  • 24-11-2017
  • Physics
contestada

If this decay has a half-life of 10.2 years, what mass of 60.8g carbon-14 will remain after 20.4 years

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feynman135
feynman135 feynman135
  • 25-11-2017
20.4 years is 20.4/10.2 = 2 half-life cycles, which means a quarter of the starting mass or 15.2 g will remain after this time.
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