graulauvincent graulauvincent

05-03-2021
Chemistry

contestada

What % of original U238 remains after three half lives?
1-50
2-25
3-12.5
4-6.25

Respuesta :

kurapikaswifelol kurapikaswifelol

19-03-2021

Answer:

12.5

Explanation:

After three half-lives, one eighth (1/2 x 1/2 x 1/2) of the uranium-238 will remain. One-eighth equals 12.5%

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