You need to prepare at 2.0 mL sample of a diluted drug for injection. The total amount of the drug to be injected in this 2.0 mL injection is 0.0210 mg of drug/kg-body mass. Assume the average body mass of 70 kg. The label tells you that the volume of solution in the drug bottle is 30.0 mL. The total mass of drug in the bottle is 294 mg and the rest is saline (a salt solution). In addition to this bottle of concentrated drug, you have an unlimited supply of pure, sterile saline to serve as a diluent. a. What is the concentration (mg/mL) of drug in the bottle? b. What volume of concentrated drug (in mL) and what volume of saline (in mL) will you combine to make a 2.0 mL final volume of the drug solution at the necessary concentration? c. The molecular weight of the drug is 15,000 g/mol. What is the molarity of the injection?
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Home » Chemistry » You need to prepare at 2.0 mL sample of a diluted drug for injection. The total amount of the drug to be injected in this 2.0 mL injection is 0.0210 mg of drug/kg-body mass. Assume the average body mass of 70 kg.