Practice problems
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| 1 |
Hydrophilic ointment USP, has the following formula, calculate the quantities required to make 15 lb of hydrophilic ointment.
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| 2 |
For the following formula for 100 capsules, calculate the quantity of each ingredient needed to prepare 170 capsules.
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| 3 |
How much of each ingredient is needed to make eight
35-g tube of the ointment?
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| 4 |
Based on the formula below, how many milliliters of glycerin (specific gravity 1.263) is required to make 250 ml of the solution?
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Answers
The Answer to question 1 is: Methylparaben 1.70 g, Propylparaben 1.02 g, Sodium lauryl sulfate 68.10 g, Propylene glycol 817.20 g, Stearyl alcohol 1702.50 g, White petrolatum 1702.50, Purified water, to make 6810.00 g
The Answer to question 2 is: Ketoprofen 2.13 g, Riboflavin 17.00 g, Caffeine 5.10 g, Sodium bicarbonate 34.00 g, Silica gel 425.00 g
The Answer to question 3 is: Hydrocortisone 46.67 grams, Calamine 77.78 grams, Petroleum 155.56 grams
The Answer to question 4 is: 39.59 ml