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

asked Jun 16, 2023 4.5k views

1 vote

Mercury-197 has a half-life of 3 days. Starting

with 300 grams, how much remains in 3
weeks? (Round to two places)

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4 votes

Answer:

2.34 gms left

Step-by-step explanation:

3 weeks = 21 days = 7 half lives

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

Ayoy answered Jun 23, 2023

by Ayoy

4.8k points

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