Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. a bottle contains 525 ml of insulin at a concentration of 40.0 mg/ml . what is the total mass of insulin in the bottle?

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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