The label on a bottle of medicine reads "Each 5 mL teaspoonful contains glucose, 1.87 g; levulose, 1.87 g; and phosphoric acid, 21.2 mg." a. Find the amount of phosphoric acid in the recommended dosage of two teaspoons. b. If the bottle contains 3 ounces, find the quantity of phosphoric acid in the bottle. (1 oz 30 mL; 1 tsp ≈ 5 mL)

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