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5 Written questions

5 Matching questions

  1. volumetric flask
  2. molarity
  3. concentrated
  4. empirical formula
  5. dilute
  1. a a chemical formula showing the ratio of elements in a compound rather than the total number of atoms
  2. b of or relating to a solution whose dilution has been reduced
  3. c used to make solutions of known concentration, accurate liq. vol. measurement
  4. d lessen the strength or flavor of a solution or mixture
  5. e the number of moles of solute per liter of solution

5 Multiple choice questions

  1. a homogeneous mixture of two or more substances
  2. a mixture in which different materials can be distinguished easily
  3. a measure of the disorder of a system
  4. a mixture in which substances are evenly distributed throughout the mixture
  5. the process of a material becoming incorporated uniformly into another, or of two materials mixing together evenly

5 True/False questions

  1. concentrationof or relating to a solution whose dilution has been reduced


  2. dilutionweakening (reducing the concentration) by the addition of water or a thinner


  3. electrical conductivityhow well a substance allows electricity to flow through it.


  4. unsaturatedbeing the most concentrated solution possible at a given temperature


  5. hydration energyenergy change accompanying the hydration of a mole of gaseous ions


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