femieyelade9 femieyelade9

26-08-2021
Chemistry

contestada

100g of radioactive mass has a half life of 5 days. Calculate the mass decayed off after 15 days

Respuesta :

jsimpson11000 jsimpson11000

23-05-2022

Answer:

12.5 gm

Explanation:

15 days is three half lives

100 * (1/2)^3 = 12.5 grams

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