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April 21, 2014

Homework Help: Chemistry

Posted by Zachary on Sunday, September 23, 2012 at 8:10pm.

Based on the mass of barium sulfate (0.46g), calculate the mass of sulfate in a 0.7g sample of alum.

I think I did this right but i'm not sure.
0.46g BaSO4/233.37g BaSO4=0.002mol BaSO4
0.002mol BaSO4 x 1mol SO4/1molBaSO4=0.002molSO4

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