3. After 24.0 days, 2.00 milligrams of an original 128.0 milligram sample remain. What is the half-life of the sample? \begin{tabular}{||c|c|} \hline Computation & Final Answer \\ \hline & \\ \hline \end{tabular}
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0 days. We start with 128.0 milligrams and end with 2.00 milligrams, so we divide 128.0 by 2.00 to find out how many times the sample has halved. 128.0 mg / 2.00 mg = 64 This means the sample has halved 64 times in 24.0 days. Show more…
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