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5 Written questions

5 Matching questions

  1. hydration energy
  2. concentration
  3. molarity
  4. dilution
  5. lattice energy
  1. a the energy released when one mole of an ionic crystalline compound is formed from gaseous ions
  2. b the number of moles of solute per liter of solution
  3. c weakening (reducing the concentration) by the addition of water or a thinner
  4. d energy change accompanying the hydration of a mole of gaseous ions
  5. e the strength of a solution

5 Multiple choice questions

  1. the percent by mass of each element in a compound
  2. a mixture in which substances are evenly distributed throughout the mixture
  3. the dissolved substance in a solution
  4. being the most concentrated solution possible at a given temperature
  5. a liquid substance capable of dissolving other substances

5 True/False questions

  1. solutionweakening (reducing the concentration) by the addition of water or a thinner


  2. dilutethe dissolved substance in a solution


  3. concentratedthe strength of a solution


  4. heterogeneous mixturea mixture in which different materials can be distinguished easily


  5. insoluble(of a substance) capable of being dissolved in some solvent (usually water)


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