7. (a) How many milligrams of potassium permanganate (KMnO4) would be
needed to compound this prescription?
ANS: ___________ milligrams
(b) How many milliliters of a 2% stock solution of potassium permanganate
must be used to obtain the amount of active ingredient needed?
ANS: ___________ milligrams
8. How many milliliters of distilled water must be added to one gallon of 100%
Isopropyl Alcohol to make a 70% alcohol?
ANS: ___________ milliliters
9. How many milliliters of 95% ethyl alcohol would be needed to compound this
prescription?
ANS: ___________ ml
MD0802
2-44