Solve by using dimensional analysis: "The lethal dose for caffeine is ~150 – 200 mg/kg of body mass. How much caffeine would be lethal for a 120 lbs. person? Assuming 1 cup of strong coffee contains 150 mg of caffeine, how many cups of coffee would that be?”
1 answer:
Answer:
73 cups of coffee are needed for lethal dose.
Step-by-step explanation:
A pound equals 0.453 kilograms. Then, the weight of the person is 54.431 kilograms. The total quantity of caffeine needed for such weight is determined by this simple rule of three:
And the number of cups of coffee is:
73 cups of coffee are needed for lethal dose.
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