Solubilty (chp.18)

• What is solubility?

  The solubility of a substance is the mass of it that will dissolve in 100g of a solvent at a given temperature.
• What factors affect the amount of solute that can be dissolved in a solvent?

  The amount of solute dissolved depends on the temperature of the solvent.
• How do hot solvents compare to cold solvents in terms of solubility?

  Hot solvents can take more solute (less gas) than cold solvents.
• What is a solubility curve?

  A solubility curve is a graph showing how the solubility of a solute changes with temperature.
• What is a saturated solution?

  A saturated solution is one that contains as much dissolved solute as possible at a given temperature.
• What is the difference between saturated and unsaturated solutions?

  Unsaturated solutions can take more solute than they currently contain.
• What is crystallisation?

  Crystallisation is the formation of crystals when a hot, saturated solution is cooled.
• How does the rate of cooling affect crystal size during crystallisation?

  Fast cooling yields small crystals, while slow cooling yields larger crystals.
• What is a crystal?

  A crystal is a solid where the particles are arranged in a regular pattern.
• Why is the arrangement of particles in a crystal significant?

  The regular arrangement of particles in a crystal contributes to its distinct shape and properties.