The formula for an ophthalmic ointment is as follows:
Sulfacetamide Sodium 10% w/w
Prednisolone Acetate 0.2%
w/w Phenylmercuric Acetate 0.0008%
w/w Mineral Oil 1%
w/w White Petrolatum, qs ad 3.5 g
How much of each ingredient would be needed to manufacture 2000 such tubes of ointment?
The answers from the book are
700 g sulfacetamide sodium
14 g prednisolone acetate
56 mg phenyl mercuric acetate
70 g mineral oil
Will you please, show me the steps for the calculation? Thank you!
6215.944 g white petrolatum