lashaellis823 lashaellis823

16-07-2020
Mathematics

contestada

The half-life of bromine-82 is approximately 36 hours. Find the amount of bromine-82 left from an 80-
gram sample after 6 days.

Respuesta :

lshapiro12 lshapiro12

16-07-2020

Answer:

5 Gr

Step-by-step explanation:

36 hours = 1.5 days

6 days = 4*1,5 days = 4 half-lives

A = 80(0.5)^4 = 80/16 = 5 Gr.

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