Homework Help: chemistry

Posted by nikki on Tuesday, January 25, 2011 at 4:37pm.

When copper(II) oxide is heated in the presence of hydrogen gas, elemental copper and water are produced. What mass of copper can be obtained if 22.8 g copper(II) oxide is used?

chemistry - DrBob222, Tuesday, January 25, 2011 at 8:15pm
Here is a solved example of a stoichiometry problem. Just follow the steps.
http://www.jiskha.com/science/chemistry/stoichiometry.html
Post your work if you get stuck.

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