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OpenStudy (anonymous):
Assuming that the density of the coffee is 1.00 g/mL, calculate the concentration of the caffeine expressed in % (m/m). (Reminder m/m means mass/mass, in other words, this percent is based on the mass of the caffeine and the mass of the beverage rather than the volume of the beverage.)
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OpenStudy (cuanchi):
we need to know how much caffeine you got from your experiment and how much coffe you started with
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