Homework Help: chemistry

Posted by NONO on Friday, November 18, 2011 at 1:01pm.

Consider the following reaction
4Al + 3O2 = 2Al2O3
It takes 2.00 L pure oxygen gas at STP (0C ,1atm ) to react completely with a certain aluminum. What is the mass of aluminum reacted?

chemistry - DrBob222, Friday, November 18, 2011 at 2:01pm
Use PV = nRT and solve for n = number of moles oxygen. Then use this link as an example for solving stoichiometry problems.
http://www.jiskha.com/science/chemistry/stoichiometry.html
chemistry - NONO, Sunday, November 20, 2011 at 10:19am
The mass will be 12.73 g ?!!!!

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