The directions for reconstitution of ampicillin sodium for i…

The directions for reconstitution of ampicillin sodium for injection are on the drug label. Directions read: For IM use, add 3.5 mL sterile water for injection. Resulting solution contains 250 mg ampicillin sodium per mL. The vial contains ampicillin sodium equivalent to 1 g. Usual adult dosage of ampicillin is 250 mg to 500 mg IM every 6 hours. How much diluent is added to the vial to prepare the medication for IM use? Enter number only. _______mL _______