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thorium 234 has a half life of 24 days. If you started with a 100-g sample of thorium-234, how much would remain after 48 days?
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thorium 234 has a half life of 24 days. If you started with a 100-g sample of thorium-234, how much would remain after 48 days?

User Erin LeDell
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25 grams would remain. 100/2=50 50/2=25
User Alex Beardsley
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