Monday
April 21, 2014

Homework Help: Chem

Posted by Mark on Saturday, April 24, 2010 at 6:57pm.

Balance the chemical equation given below, and determine the number of grams of MgO needed to produce 15.0 g of Fe2O3.
_MgO(s)+_Fe(s)->_Fe2O3(s)+_Mg(s)


1. a. 11.4 g
2. b. 3.78 g
3. c. 1.26 g
4. d. 0.0877 g

I got equation balanced 3,2,1,3 just having trouble on how to find number of grams needed

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