Homework Help: chemistry

Posted by Anonymous on Tuesday, November 3, 2009 at 1:08am.

4.0 gram of ferrous ammonium sulphate, FeSO4*(NH4)2SO4 * 6H2O, is used. Since the oxalate is in excess , Calculate the theoretical yield of the iron complex

chemistry - DrBob222, Tuesday, November 3, 2009 at 11:18am
If you know the equation, post it and I can help you through it. You don't give enough information about the problem for me to write the equation. "Since the oxalate is in excess" doesn't tell me what the oxalate is or what the iron complex is.
chemistry - Anonymous, Friday, March 12, 2010 at 9:22pm
FeSO4•NH4)2SO4•6H2O + H2C2O4•2H20 --> FeC2O4 + (NH4)2SO4 + H2SO4 + 8H2O

6FeC2O4 + 3H2O2 + 6K2C2O4•H2O -->
4K3[Fe(C2O4)3]•3H2O + 2Fe(OH)3 + 6H2O

2Fe(OH)3 + 3H2C2O4•2H2O + 3K2C2O4•H2O ---> 2K3[Fe(C2O4)3]•3H2O + 9H2O

those are the equations DrBob222

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