1. Feb 6, 2006 #1

   Lou1024

   

   Hey everyone,
   How does sodium carbonate soften hard water?
   
   Thanks,
   Lou

    

   Lou1024, Feb 6, 2006
2. 
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3. Feb 6, 2006 #2

   Plastic Photon

   

   What ions make up the impurities in the water?
   One ion that acts as an impurity in water is the calcium ion. Does calcium form compounds with carbonate?

    

   Plastic Photon, Feb 6, 2006

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