February 24, 2017

Homework Help: college chemistry

Posted by KELLY on Monday, October 4, 2010 at 12:21am.

A chemical engineer determines the mass percent of iron in an ore sample by converting the Fe to Fe^2+ in acid and then titrating the Fe^2+ with MnO4^-. A 1.3510 g sample was dissolved in acid and then titrated with 39.32 mL of 0.03190 M of KMnO4. The balanced equation is:
Calculate the mass percent of iron in the ore.

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