Multiple Choice
Sodium-24 has a half-life of 15.0 hours. Suppose you had a sample containing 0.010 moles of Na-24. How many hours would be required to reduce your sample to 6.25 × 10 − 4 moles?
A) 120
B) 60
C) 45
D) 30
Correct Answer:
Verified
Correct Answer:
Verified
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