1. Prepare 30 mL of a 5 mg/mL oral phenobarbital solution using phenobarbital available from the manufacturer in a 65 mg/mL solution that comes in 1-mL vials. How much stock solution will be required? 2. What mass in milligrams of potassium nitrate is present in 0.25 kg of a 500 ppm aqueous solution of KNO,?
1. Prepare 30 mL of a 5 mg/mL oral phenobarbital solution using phenobarbital available from the manufacturer in a 65 mg/mL solution that comes in 1-mL vials. How much stock solution will be required? 2. What mass in milligrams of potassium nitrate is present in 0.25 kg of a 500 ppm aqueous solution of KNO,?
Chapter10: Reconstitution Of Powdered Drugs
Section: Chapter Questions
Problem 2.5P
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