The Br- 82 nucleus has a half-life of $1.0 \times 10^{3}$ min. If you wanted $1.0 \mathrm{g} \mathrm{Br}-82$ and the delivery time was 3.0 days, what mass of NaBr should you order (assuming all of the Br in the NaBr was Br-82)?
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The Br-82 nucleus has a half-life of $1.0 \times 10^{3}$ min. If you wanted $1.0 \mathrm{~g}$ of $\mathrm{Br}-82$ and the delivery time was $3.0$ days, what mass of NaBr should you order (assuming all of the $\mathrm{Br}$ in the NaBr was Br-82)?
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