The nurse, preparing medication for a client, has a 20 mL multidose vial of heparin labeled 10,000 units per mL. The prescribed concentration is to mix 25,000 units of heparin per 250 mL of normal saline.
Which amount of heparin, in mLs, will the nurse add to the 250 mL bag of normal saline?
(Record your answer using one decimal place.)