Below is the formula for a psoriasis ointment. How many mill…
Below is the formula for a psoriasis ointment. How many milliliters of coal tar solution would be needed to prepare 120 grams of the ointment? (The specific gravity of coal tar solution is 1.35 and all parts are by weight) Coal tar solution ……..….. 2 parts Zinc oxide …………………. 10 parts Hydrophilic ointment … 50 parts