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In the synthesis of ester, how does conc. aqueos calcium chloride

  1. Jun 17, 2010 #1
    In the synthesis of ester, how does conc. aqueos calcium chloride remove excess ethanol? I tried google, and found out that a complex is formed. How is this possible? If then what exactly is the complex formed? Thanks. :smile:
     
  2. jcsd
  3. Jun 25, 2010 #2

    chemisttree

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    Re: Esterification

    Obviously some kind of association between the hydroxyl and the calcium ion. I've seen this kind of association with calcium hydroxide as well. Calcium hydroxide is not very soluble in water but sugar greatly enhances its solubility.
     
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