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October 20, 2014

Homework Help: Chemistry

Posted by Sven on Monday, September 3, 2007 at 4:29pm.

I just completed a titration lab and the balanced equation is (8H^+)+MnO4^- + 5Fe (^2+) ---> Mn + 4 H20 + 5 Fe(^3+)

I'm supposed to calculate the moles of permanganate, Fe^2+ and the mass of iron from the sample.

The volume of permanganate is 33.5, and the concentration is 1.475 g/L. Do I multiply those to find the moles?

And then for the iron I divide the sample amount by 55.85 g correct?

Then how do I find the mass of the iron and the percentage of iron in the sample?

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