You have a vial of powdered medication to be reconstituted with 5 mL of sterile water, resulting in a concentration of 50 mg/mL. If the order is for 125 mg how many milliliters should you administer?

Step 1: Identify the formula Volume (mL) = Ordered dose (mg) ÷ Concentration (mg/mL) Step 2: Identify values Ordered dose = 125 mg Concentration = 50 mg/mL Step 3: Calculate Volume = 125 ÷ 50 = 2.5 mL