Practice problems
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| 1 |
Hydrophilic ointment USP, has the following formula, calculate the quantities required to make 13.5 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 395 capsules.
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| 3 |
How much of each ingredient is needed to make eight
10-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 1750 ml of the solution?
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Answers
The Answer to question 1 is: Methylparaben 1.53 g, Propylparaben 0.92 g, Sodium lauryl sulfate 61.29 g, Propylene glycol 735.48 g, Stearyl alcohol 1532.25 g, White petrolatum 1532.25, Purified water, to make 6129.00 g
The Answer to question 2 is: Ketoprofen 4.94 g, Riboflavin 39.50 g, Caffeine 11.85 g, Sodium bicarbonate 79.00 g, Silica gel 987.50 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: 277.13 ml