simaogama simaogama
  • 05-11-2020
  • Chemistry
contestada

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

Respuesta :

oscar236
oscar236 oscar236
  • 05-11-2020

Answer:

15.2 g.

Explanation:

After 10.2 years mass remaining = 60.8 * 1/2 = 30.4 g

After another 10.2 years it is 30.4 * 1/2 = 15.2 g.

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