Multiple Choice
A certain isotope has a specific activity of 7.29 × 10-4 Ci/g. How many α particles will a 75.0 mg sample emit in one hour?
A) 9.99 × 10 4
B) 2.02 × 10 6
C) 7.28 × 10 9
D) 1.29 × 10 12
E) None of these choices are correct.
Correct Answer:
Verified
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