Best substance to dissolve in water to increase boilingpoint elevation

  1. May 14, 2014 #1
    Boiling point elevation depends on how many ions dissociate in the solution. Typically CaCl2 is a good substance to use but it has a pretty high molar mass... I'm wondering what the best substance to use to increase the boiling point of water?

    Thanks!
     
  2. jcsd
  3. May 15, 2014 #2

    Borek

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    Staff: Mentor

    Define "best".
     
  4. May 15, 2014 #3
    The best would be the substance that dissociates into the most ions in solution with the lowest molar mass....for example a compound that dissociates into 3 ions and has a molar mass of 50g/mol would be better than a compound that dissociates into 3 ions and has a molar mass of 100g/mol..however, a compound that dissociated into 4 ions would be better than either of those compounds.
     
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