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December 20, 2014

Homework Help: analytical chemisty

Posted by Anonymous on Saturday, February 2, 2013 at 7:39pm.

Consider the standardization of a solution of K2Cr2O7 with iron metal according to the following:

Reaction: Fe + Cr2O7-2 → Fe +3 + Cr+3a.

How many grams of K2Cr2O7 are required to prepare 500 ml of a 0.13 N solution?

What is the exact normality of the solution prepared in part a if 0.1376 g of iron metal were exactly reacted with 48.56 ml of the solution?

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