A drug suspension with an initial concentration of 100 mg mL degrades over time. The concentration atter /

days = 95 mg/mL; after 14 days = 90 mg/mL; after 21 days = 85 mg/mL.

• Does the reaction following zero order or first order kinetics?
• What is the rate constant? (i.e. what is the rate of decay for this drug?
• Suppose a patient requires this drug to be administered during an upcoming surgery at a concentration of 60 mg/mL, How far in advance should the 100 mg/mL suspension be prepared by the pharmacy tech?