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OpenStudy (anonymous):
Please help. Medal and fan! Thorium-234 has a half-life of 24 days. If you started with a 100-g sample of thorium-234, how much would ramain after 48 days?
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OpenStudy (anonymous):
a. 100 g b. 50 g c. 25 g d. 10 g
OpenStudy (anonymous):
Is it C?
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