Solutions and Solubility Quiz
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Questions and Answers

How is the solubility of a drug expressed?

  • Percentage (w/v) and percentage (v/v) (correct)
  • Pressure and pH
  • Mole fraction and molality
  • Molarity and normality

    • What factors affect the solubility of a substance?

  • Physical and chemical properties of the solute and the solvent (correct)
  • Pressure of the solution and state of subdivision of the solute
  • Temperature and pH of the solution
  • Molarity and normality of the solute

    • What is an example of how the United States Pharmacopeia (USP) lists the solubility of drugs?

  • 5g of boric acid dissolves in 18 mL of water
  • 1g of boric acid dissolves in 18 mL of water
  • 5g of boric acid dissolves in 4 mL of glycerin
  • 1g of boric acid dissolves in 4 mL of glycerin (correct)

    • Under what condition does thiosulfate fail to crystallize from the solution upon cooling?

    <p>When dissolved at a high temperature (A)</p> Signup and view all the answers

    What are examples of solubility expressions for drugs?

    <p>Percentage (w/w, w/v, v/v) and molarity (C)</p> Signup and view all the answers

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