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August 2, 2015

Homework Help: Chemistry

Posted by J.J on Tuesday, March 18, 2014 at 10:56pm.

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants.
4Cr(s)+3O2(g)→2Cr2O3(s)

1.) 1 molCr; 1 molO2
2.) 4 molCr; 2.5 molO2
3.) 12 molCr; 10 molO2
4.) 14.8 molCr; 10.3 molO2

Express your answer as a chemical formula.

I'm stuck on how you write it as a chemical formula, pleaseee help! Thanks!

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