Solutions and Solubility

• Solution


  A solution is formed when a solid, known as a solate dissolves in a liquid, known as a solvent.
• Solubility


  The number of grams (g) of that solute that dissolves in 100g of solvent at a particular temperature.
• Saturated solution


  When no more solute will dissolve in the solvent at a particular temperature.
• Example of solubility


  • 38g of sodium chloride dissolves in 100g of water at 40°C
• The changing solubility of solutes with temperature can be shown as solubility curves.
• Increasing the temperature of the water


  Has a much bigger impact on the solubility of potassium nitrate than on the solubility of sodium chloride
• Fig. 1.14 shows Solubility curves