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Twenty milligrams of drug Y is injected intravenously. One hour after the injection, blood is collected and assayed for the concentration of drug Y. If the concentration of drug Y in this specimen was 0.4 mg/L, what is the volume of the distribution for this drug?

Respuesta :

Answer:

The volume of the distribution for this drug is 50 L

Step-by-step explanation:

Data provided in the question;

Amount of Drug Y injected = 20 milligrams

Concentration of drug Y = 0.4 mg/L

Now,

The concentration is given as:

concentration = [tex]\frac{\textup{Mass of the solute}}{\textup{Volume of solution}}[/tex]

Thus,

0.4 mg/L =  [tex]\frac{\textup{20 mg}}{\textup{Volume of solution}}[/tex]

or

Volume of solution = [tex]\frac{20}{0.4}[/tex]

or

Volume of solution = 50 L

Hence,

The volume of the distribution for this drug is 50 L

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