1. Rx

Certified Red Color1:10,000

Amphogel ad180 mL

Sig: Tsp in water

How many milliliters of a 1% solution of a certified red color should be used in compounding the prescription?

2. A pharmacist in the process of manufacture recovers a quart of 45% alcohol, a pint of 60% alcohol, 30 fluidounces of 75% and 20 fluidounces of 35% alcohol. When those were mixed, what was the percentage strength of the mixture?

3. How many milliliters of each of 2% iodine tincture and 7% strong iodine tinctureshould be used in preparing 1 gallon of a tincture containing 3.5% of iodine?

4.How many milliliters of a 1:400 (w/v) stock solution should be used to make 1 gallon of a 1:2000 (w/v) solution?

5. What is the strength of a solution such that 10 mL diluted to 200 mL produces a 2.5% w/v solution?

with solutions