A nurse is preparing to administer aripiprazole 9 mg. IM to a client. Available is aripiprazole injection 9.75 mg/3 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not trailing zero.)

Let’s calculate step by step: Order: 9 mg IM Available concentration: 9.75 mg / 3 mL First, find mg per mL: 9.75 mg3 mL=3.25 mg/mL Calculate required volume: 9 mg3.25 mg/mL=2.769 mL Round to the nearest tenth: 2.8 mL Final Answer: 2.8 mL