(6) Rx
Tannic Acid
20.0 g
Exsicc. Sodium Sulfite
0.2 g
Glycerin
25.0 g
Yellow Ointment
54.8 g
100.0 g
How many milliliters of glycerin must be used to make 100 grams of the above
preparation?
Ans: __________ ml
(7) The official formula for Boric Acid Ointment NF XI is as follows:
Boric acid powder 100.0 g
Liquid petrolatum 50.0 g
White ointment
850.0 g
How many milliliters of liquid petrolatum, light, would be needed to make 120
g of this boric acid ointment?
Ans: _________ ml
MD0802
2-7