7. How many liters of a mouthwash can be prepared from 100 mL of cinnamon flavor if its concentration is to be 0.5% (v/v) in the mouthwash? 8. The formula for 1 liter of an elixir contains 0.25 mL of a flavoring oil. What is the percentage (v/v) of the flavoring oil in the elixir? 9. A dermatologic lotion contains 1.25 mL of liquefied phenol in 500 mL. Calculate the percentage (v/v) of liquefied phenol in the lotion. 10. A lotion vehicle contains 15% (v/v) of glycerin. How much glycerin should be used in preparing 5 gallons of the lotion?
7. How many liters of a mouthwash can be prepared from 100 mL of cinnamon flavor if its concentration is to be 0.5% (v/v) in the mouthwash? 8. The formula for 1 liter of an elixir contains 0.25 mL of a flavoring oil. What is the percentage (v/v) of the flavoring oil in the elixir? 9. A dermatologic lotion contains 1.25 mL of liquefied phenol in 500 mL. Calculate the percentage (v/v) of liquefied phenol in the lotion. 10. A lotion vehicle contains 15% (v/v) of glycerin. How much glycerin should be used in preparing 5 gallons of the lotion?
Essentials of Pharmacology for Health Professions
7th Edition
ISBN:9781305441620
Author:WOODROW
Publisher:WOODROW
Chapter6: Safe Dosage Calculations
Section: Chapter Questions
Problem B.8CRQ
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Transcribed Image Text:7. How many liters of a mouthwash can be prepared from 100 mL of cinnamon
flavor if its concentration is to be 0.5% (v/v) in the mouthwash?
8. The formula for 1 liter of an elixir contains 0.25 mL of a flavoring oil. What is the
percentage (v/v) of the flavoring oil in the elixir?
9. A dermatologic lotion contains 1.25 mL of liquefied phenol in 500 mL. Calculate
the percentage (v/v) of liquefied phenol in the lotion.
10. A lotion vehicle contains15% (v/v) of glycerin. How much glycerin should be used
in preparing 5 gallons of the lotion?
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