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Chemistry, 01.09.2021 22:50 sarita59

phillip morris cigaretteshave 5mg tar and 0.4 mg nicotine per cigarette and 20 cigarettes per pack how many packs of cigarettes would have to be smoked to coat your lungs with 4.0 oz (1/4 lb) of tar? How many packs of cigarettes would have to be smoked to introduce your lungs to one gram of nicotine?

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