Chemistry Chapter on Solubility
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Questions and Answers

What must occur first for a solute to dissolve in a solvent?

  • Solvent particles must separate. (correct)
  • Solute and solvent must mix completely.
  • The temperature must be increased.
  • Solute particles must break apart.

    • What determines whether a solute will dissolve in a solvent?

  • The mass of the solute and solvent.
  • The color of the solute.
  • The strength of attractive forces between solute and solvent particles. (correct)
  • The volume of the solvent.

    • When NaCl dissolves in water, what primarily overcomes the attractive forces holding Na+ and Cl- ions in the crystal lattice?

  • Temperature of the solution.
  • Pressure applied to the solution.
  • Attractive forces between water molecules and the ions. (correct)
  • Viscosity of the water.

    • What is the general effect of increasing temperature on the solubility of most substances?

    <p>Solubility increases.</p> Signup and view all the answers

    Which of the following statements about dissolution is incorrect?

    <p>All solutes dissolve in solvents when mixed.</p> Signup and view all the answers

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