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- Manufacturers of headache remedies routinely claim that their own brands are more potent pain relievers than the competing brands. Their way of making the comparison is to compare the number of molecules in the standard dosage. Tylenol uses 325 mg of acetaminophen (C8H9NO2) as the standard dose, whereas Advil uses 2.00 × 102 mg of ibuprofen (C13H18O2). Find the number of molecules of pain reliever in the standard doses of (a) Tylenol and (b) Advil.The FDA recommends that adults consume 9 x 10 -4 grams of copper per day to help with enzymes that work in your liver. Calculate the number of atoms of copper you consume each day.How many moles of hydrogen molecules are needed to react with one mole of oxygen molecules?
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