The physician ordered 500 mL D51/2NS with 40 mEq of  KCL (po…

The physician ordered 500 mL D51/2NS with 40 mEq of  KCL (potassium chloride)  for administration over 5 hours. The nurse located a vial of KCL, 40 mEq/20 mL. How many milliliters of medication should be added to the IV bag? Round to the nearest whole number [BLANK-1]