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April 25, 2015

Homework Help: Chem problem- percent yield

Posted by Stephanie on Sunday, March 22, 2009 at 7:01pm.

Heating an ore of antimony (Sb2S3) in the presence of iron gives the element antimony and iron(II) sulfide.

Sb2S3 (s) + 3Fe(s) 2Sb(s) + 3FeS(s)

When 15.0 g Sb2S3 reacts with an excess of Fe, 9.84 g Sb is produced. What is the percent yield of this reaction?

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