Cadmium-107 (Cd-107) has a half life of around 6.50 hours, How many hours would it take for \( 87.5 \% \) of a sample of Cd-107 to decay? Watch your significant figures! \( \square \)
Added by Darnell C.
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If 87.5% of the sample has decayed, then 12.5% remains. In decimal form, this is 0.125. Show more…
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