Formation
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Formation

As I mentioned earlier, salts can be formed by the neutralization of acids. An equation for this is shown here (and in Example 10 in your workbook).
     O
    //
R¾C   
    \
        OH
+ NaOH  ®       O
    //
R¾C   
   \
         ONa
+ H2O
When reactions of this type take place in solution, this equation  is a better representation of what happens (assuming that the salt is soluble in water).
      O
    //
R¾C   
   \
         O-H
+ Na+ + OH-  ®       O
    //
R¾C   
   \
       O-
+ Na+ + H2O
In such a case, the salt would form if the water was evaporated, as shown here.
      O
    //
R¾C   
   \
      O-
+ Na+ + H2O

evaporation
¾¾¾¾¾®

      O
     //
R¾ C   
    \
          ONa

 

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E-mail instructor: Sue Eggling

Clackamas Community College
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