Transcription of Dilution and Concentration - Lippincott Williams & Wilkins
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Dilution and Concentration - Lippincott Williams & Wilkins
chapter 10207 Dilution and ConcentrationOBJECTIVESUpon completion of this chapter , the technician student willbe able to: Describe the relationship of active ingredients and diluents if the amount of active ingredient remains constant and the amount of diluent is increased ordecreased. Determine the percent strength and ratio strength of a given product when the active ingredient remains constant and the amount of diluent is increased ordecreased. Determine the volume of solution of a desired strengthgiven a specified quantity of any given strength. Determine the volume of a specified stock solutionneeded to prepare a given solution. Determine the quantity of an active ingredient in a specified amount of solution needed to prepare a given solution.
50 mL of a 1:20 solution contains 2.5 g of aluminum acetate. 25 1 1000 400.g g mL mL mL Ratio strength = = = X X 11 400:,answer 1000 50 5 1000 120 50 025 mL mL mL mL == = % %.% XX X ==== 1 400 1 400 1 400:, :,answer X answer CHAPTER 10 • Dilution and Concentration 211 Critical Thinking 10.1 Dilution of a solid or liquid does not entail adding ...
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