Determination of iron by redox titration

If a 2.893 g sample of an unknown containing iron requires 28.45 mL of the permanganate solution described in Pre-Laboratory question 3 to reach the endpoint what is the % Fe in the unknown?
 

Borek

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Start with the reaction equation.
 

symbolipoint

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If a 2.893 g sample of an unknown containing iron requires 28.45 mL of the permanganate solution described in Pre-Laboratory question 3 to reach the endpoint what is the % Fe in the unknown?
The problem statement is missing some information.
 

Borek

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I suppose the missing information was listed in the question 3.

Still, reaction equation is a starting point.
 

symbolipoint

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I suppose the missing information was listed in the question 3.

Still, reaction equation is a starting point.
brittni8924,
What if you were to first write the balanced reaction, and then solve (or let one of us solve) the problem purely symbolically; then, you would clearly see what information is missing (but we are not encouraged to solve problems in this board until the original poster puts in and shows enough effort).
 

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