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

Respuesta :

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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