Science task 120: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A tracer starts at 0.22 mol and undergoes 4 half-lives of 8 minutes each. How much remains?

Science task 120: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A tracer starts at 0.22 mol and undergoes 4 half-lives of 8 minutes each. How much remains?

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