willywonka59 willywonka59

21-02-2022
Biology

contestada

etermine the amount of rock left for the following isotopes:
a) Carbon-14 has a half life of 5,730 years. A fossil sample taken from the Earth shows that
a sample that started with 850 g of C-14 now has 53.125 g. How old must this organism
be?

Respuesta :

simplygabbie713 simplygabbie713

21-02-2022

Carbon 14 will go through 4 “half lives” in order to go from 850g to 53.125g. This means that Carbon 14 will be 22,920 years old.
*In order to find the mass of a half life we just divide the mass by 2 to get its half.

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