29.  The health care provider prescribes an intramuscular do…

29.  The health care provider prescribes an intramuscular dose of 200,000 units of penicillin G benzathine for an adult client in the emergency department. The label on the 10-mL ampule sent from the pharmacy reads, “Penicillin G benzathine, 300,000 units/mL.” How many milliliters of medication does the nurse prepares to ensure administration of the correct dose? (Round to the nearest tenth.)