May 22, 2015

Homework Help: Redox Titration questions!

Posted by Angel on Wednesday, June 11, 2008 at 9:05pm.

Oh goodness, I'm such a pain! I need some help with these! How do I calculate the percentage? How do I start it?

2. Imagine that you ran a similar titration using a different iron sample with 0.02 M KMnO4 as the titrant. Calculate the percent of iron in the sample if the sample weighed 0.67 grams, and the volume of the titrant used was 35.7 mL.

% of iron in sample:

3. Calculate the percent of iron in a 50.0 gram sample containing iron if 45.6 mL of 2.5 M KMnO4 titrant was used.

% of iron in sample:

4. Explain why an overshot endpoint is not a good titration.

The first two questions require me to look at some online interactive lab, but if I know how to do these, I'll be able to do those as well!

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