milli8655 milli8655

21-01-2024
Chemistry

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A radiation lab orders 64 μCi of P-32. After 42.9 days the activity of the sample is 8.0 μCi. What is the half-life of P-32?
A) 10.7 days
B) 14.3 days
C) 21.4 days
D) 28.6 days

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