Amanda309 Amanda309

01-08-2022
Chemistry

contestada

Mercury-197 has a half-life of 3 days. Starting
with 300 grams, how much remains in 3
weeks? (Round to two places)

Respuesta :

jsimpson11000 jsimpson11000

01-08-2022

Answer:

2.34 gms left

Explanation:

3 weeks = 21 days = 7 half lives

300 * (1/2)^7 = 2.34 gms

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