Practice problems
| # | Question | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |
Hydrophilic ointment USP, has the following formula, calculate the quantities required to make 3.5 lb of hydrophilic ointment.
|
||||||||||||||
| 2 |
For the following formula for 100 capsules, calculate the quantity of each ingredient needed to prepare 250 capsules.
|
||||||||||||||
| 3 |
How much of each ingredient is needed to make seven
35-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 0.40 g, Propylparaben 0.24 g, Sodium lauryl sulfate 15.89 g, Propylene glycol 190.68 g, Stearyl alcohol 397.25 g, White petrolatum 397.25, Purified water, to make 1589.00 g
The Answer to question 2 is: Ketoprofen 3.13 g, Riboflavin 25.00 g, Caffeine 7.50 g, Sodium bicarbonate 50.00 g, Silica gel 625.00 g
The Answer to question 3 is: Hydrocortisone 40.83 grams, Calamine 68.06 grams, Petroleum 136.11 grams
The Answer to question 4 is: 752.21 ml