Tuesday
September 2, 2014

Homework Help: chemistry

Posted by joan on Wednesday, September 21, 2011 at 5:29pm.

7.25 g of iron were reacted with sulfur until the product reached a constant mass of 13.50 g. If the experimental molecular mass of the product was measured as 572 u, what is the molecular formula of the product? What is the actual molecular mass of the product?

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