Practice problems
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| 1 |
Hydrophilic ointment USP, has the following formula, calculate the quantities required to make 6.5 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 450 capsules.
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| 3 |
How much of each ingredient is needed to make two
40-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 1250 ml of the solution?
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Answers
The Answer to question 1 is: Methylparaben 0.74 g, Propylparaben 0.44 g, Sodium lauryl sulfate 29.51 g, Propylene glycol 354.12 g, Stearyl alcohol 737.75 g, White petrolatum 737.75, Purified water, to make 2951.00 g
The Answer to question 2 is: Ketoprofen 5.63 g, Riboflavin 45.00 g, Caffeine 13.50 g, Sodium bicarbonate 90.00 g, Silica gel 1125.00 g
The Answer to question 3 is: Hydrocortisone 13.33 grams, Calamine 22.22 grams, Petroleum 44.44 grams
The Answer to question 4 is: 197.95 ml