Question
Science task 100: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A tracer starts at 0.20 mol and undergoes 4 half-lives of 8 minutes each. How much remains?
Select an option. Your answer will be checked instantly.
Correct Answer: D. 0.0125
Explanation:
After 4 half-lives, amount=0.2/2^4=0.0125.
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