Multiple Choice
A tiny speck (8.3 10-7 mol) of radioactive Americium-241 is used in smoke detectors. How many atoms of Americium-241 are there in one of these smoke detectors?
A) 5.0 1017
B) 1.2 1020
C) 2.9 1022
D) 6.0 1023
E) 8.3 107
Correct Answer:
Verified
Correct Answer:
Verified
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