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1 vote
The half life of thorium – 233 is 24 days. If you have a 42.0 g sample of thorium – 24, how much will remain after 72 days?

2 Answers

1 vote
14 GALLONS WILL BE LEFT I THINK

User Gregory Magarshak
by
8.4k points
4 votes
42.0g ---2.0g---6.0g---3.0g
24. 24. 24. = 72 days
Always want to divide the sample in half.
User Yaroslav Varkhol
by
8.4k points
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