SOLVED:Cough Syrup A common brand of cough syrup comes in a 4-fluid ounce bottle. The active ingredient in the cough syrup is dextromethorphan. For an adult, the standard dose is 2 teaspoons, and a single dose contains 20.0 mg of dextromethorphan. Using the relationships, 1 fluid ounce =29.6 mL and 1 teaspoon =5.0 mL , determine how many grams of dextromethorphan are contained in the bottle.

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