Prepare a 10g stock bag with a ready to infuse concentration of 20mg/mL Pharmacy stocks 1gm vials of drug Directions for mixing is to add 8mL of a sterile diluent and this will result in a concentration of 100mg/mL How much volume would you remove from a 500mL bag (has 40mL of overfill volume) before using the bag volume to reconstitute your drug vials?
a. 10mL
b. 20mL
c. 40mL
d. 60mL