mass pill = 2.5 g
4.0% by mass = active ingredient
1 bottle = 100 pills
mass active ingredient = 2.5 g x 4.0% = 0.1 g active ingredient per pill
Lipitor, a pharmaceutical drug that has been shown to lower “bad” cholesterol while raising “good” cholesterol levels in
patients taking the drug, had over $11 billion in sales in 2006. Assuming one 2.5-g pill contains 4.0% of the active ingredient by mass, what mass in kg of active ingredient is present in one bottle of 100 pills?
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