Question
Science task 120: A Northern Territory senior class applies the information to a remote-services, climate or community investigation. A tracer starts at 0.10 mol and undergoes 4 half-lives of 5 minutes each. How much remains?
Select an option. Your answer will be checked instantly.
Correct Answer: D. 0.0063
Explanation:
After 4 half-lives, amount=0.1/2^4=0.0063.
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