Homework Help: chem

Posted by oscar on Sunday, February 3, 2013 at 5:36pm.

Oxygen gas and water are produced by the decomposition of hydrogen peroxide. If 10.0 mol of H2O2 decomposes, what volume of oxygen will be produced? Assume the density of oxygen is 1.429g/L. 2H2O2= 2H2O+O2

chem - DrBob222, Sunday, February 3, 2013 at 5:45pm
2H2O2 ==> 2H2O + O2
mol H2O2 = 10.0
mol O2 produced = (1/2) x mols H2O2 = 1/2 x 10 = 5 mol
At STP each mol will occupy 22.4 L.

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