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Precipitation of Ag+ and S2-

  1. Oct 22, 2009 #1
    Why do we have to add S2- slowly and gradually for precipitation to take place??
     
  2. jcsd
  3. Oct 23, 2009 #2
    I am sorry for a wrong question..
    Actually, its as follows:

    Why do we add S2- slowly to Ag+ while experimenting ??

    My teacher has answered it saying that if S2- is added quickly, we won't be able to study the reaction.
    Its added slowly, so that we can note at what conditions does the precipitation occur.
     
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