Practice problems
| # | Question | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |
Hydrophilic ointment USP, has the following formula, calculate the quantities required to make 5.5 lb of hydrophilic ointment.
|
||||||||||||||
| 2 |
For the following formula for 100 capsules, calculate the quantity of each ingredient needed to prepare 345 capsules.
|
||||||||||||||
| 3 |
How much of each ingredient is needed to make one
30-g tube of the ointment?
|
||||||||||||||
| 4 |
Based on the formula below, how many milliliters of glycerin (specific gravity 1.263) is required to make 4750 ml of the solution?
|
Answers
The Answer to question 1 is: Methylparaben 0.62 g, Propylparaben 0.37 g, Sodium lauryl sulfate 24.97 g, Propylene glycol 299.64 g, Stearyl alcohol 624.25 g, White petrolatum 624.25, Purified water, to make 2497.00 g
The Answer to question 2 is: Ketoprofen 4.31 g, Riboflavin 34.50 g, Caffeine 10.35 g, Sodium bicarbonate 69.00 g, Silica gel 862.50 g
The Answer to question 3 is: Hydrocortisone 5.00 grams, Calamine 8.33 grams, Petroleum 16.67 grams
The Answer to question 4 is: 752.21 ml