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April 19, 2014

Homework Help: chem

Posted by Natash on Saturday, September 20, 2008 at 4:48pm.

How many oxygen atoms are in 1.90g og quartz (SiO2)?

ok so 1.90g SiO2(1mol/60.0843g SiO2)(2 O mols/1 mol SiO2) (6.022*10^23atoms/1mol) what am i doing wrongg???

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