Homework Help Forum: 11th Grade chemistry

Posted by Luke on Wednesday, May 13, 2009 at 8:26am.

How to get pure gold from impure gold..please specify the chemical equation.. any example is fine,e.g. AuCl3 -> Au

• 11th Grade chemistry - bobpursley, Wednesday, May 13, 2009 at 12:52pm

  Most do this by electrosis. Put the gold compound and impurities into solution (which is challenging), then Ag+1 + e-1 >> Ag

  
  

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