Homework Help: chemistry

Posted by Fakhrywik on Wednesday, February 13, 2013 at 9:49am.

in reaction = Mg + O2 --> MgO
if 24 gram of Mg is burned in excess oxygen to form 40 gram of MgO, How much O2 is used?

chemistry - DrBob222, Wednesday, February 13, 2013 at 1:54pm
Refer to your last post on SO2

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