Question

The directions for a vial of polycillin-N containing 500mg of dry powder state that the addition of 1.8mL of sterile water for injection will yield 2mL of solution. How many milliliters should be administered to give 250mg of the drug?

Name: the directions for a vial of polycillin n containing 500mg of dry powder state that the addition of 18ml of sterile water for injection will yield 2ml of solution how many milliliters should 98623
Uploaded: 2022-04-16T18:07:29-08:00
Duration: 2 min 23 s
Channel: Megha Sharma
Description: the directions for a vial of polycillin n containing 500mg of dry powder state that the addition of 18ml of sterile water for injection will yield 2ml of solution how many milliliters should 98623

          The directions for a vial of polycillin-N containing 500mg of dry powder state that the addition of 1.8mL of sterile water for injection will yield 2mL of solution. How many milliliters should be administered to give 250mg of the drug?

Added by Brandon G.

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Solved by Expert Megha Sharma

04/16/2022

Step 1

- The vial contains 500mg of dry powder. - Adding 1.8mL of sterile water for injection yields 2mL of solution. - Therefore, the concentration of the solution is: \[ \text{Concentration} = \frac{500 \text{mg}}{2 \text{mL}} = 250 \text{mg/mL} \] Show more…

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The directions for a vial of polycillin-N containing 500mg of dry powder state that the addition of 1.8mL of sterile water for injection will yield 2mL of solution. How many milliliters should be administered to give 250mg of the drug?