Question
Science task 90: A Victorian senior class applies the information to an energy-and-transport investigation. A tracer starts at 0.12 mol and undergoes 2 half-lives of 8 minutes each. How much remains?
Select an option. Your answer will be checked instantly.
Correct Answer: A. 0.03
Explanation:
After 2 half-lives, amount=0.12000000000000001/2^2=0.03.
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