The Br-82 nucleus has a half-life of about 1.0 × 103 minutes. If you needed at least 2.0 g of Br-82 and had ordered 29 g of NaBr (assuming all of the Br in the NaBr was Br-82) , how many days could you wait for delivery?
A) 2.9days
B) 1.1 days
C) 2.7 days
D) 2.4 days
E) 3.5 days
Correct Answer:
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