Solutions: Volumes and Concentrations

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  • Solutions: Volumes and Concentrations
    • A solute dissolves in a solvent to give a solution
    • Quantities in Solution
      • What amount of solute is dissolved? May be given moles or mass (g)
      • How much solution is there? Given as a volume
        • These two factors combine to make up the concentration
          • What amount of solute is dissolved? May be given moles or mass (g)
    • The volume of a solution is usually given in cm3 or dm3
      • 1dm3 = 1000cm3
      • cm3/1000 = dm3
      • dm3 x 1000 = cm3
    • The concentration of a solution means how much solute is present in a given volume of solution
      • Concentration(mol dm-3) = Number of moles of a solute/ Volume of solution (dm3)
    • Dilution factor = Final volume/starting volume

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