The pharmacist is to prepare 800 g of a 3% ointment. In the pharmacy is a...
The pharmacist is to prepare 800 g of a 3% ointment. In the pharmacy is a 10% ointment and petrolatum. How many grams of the stock ointment will she weigh out?
Homework Answers
Ans.1
(3/100) ×800=(10/100)x X
X=240gm
So the 240 gm she weigh out
In this question as the concentration of ointment is increase the amount will decrease
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