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August 20, 2014

Homework Help: Chemistry

Posted by Katherine on Wednesday, May 2, 2012 at 1:15pm.

Calculate the final concentration for the standardization of KMnO4 given this information:

2MnO4- + 5C2O4^-2 + 16H+ -> 2Mn^2+ + 10CO2 + 8H2O [final redox equation]

Volume of KMnO4 titrated with H2SO4 + Na2C2O4 = 293 mL

Volume KMnO4 titrated with H2SO4 alone = 0.2 mL

Amount of Na2C2O4 = 0.103 g

It says that I'd need that information to calculate the concentration but I'm confused since Na2C2O4 isn't even a part of that redox equation.. Please help!

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