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May 27, 2015

Homework Help: chemistry

Posted by Anonymous on Wednesday, April 20, 2011 at 3:08pm.

oleum or fuming sulfuric acid available commercially in concentration rnaging from 20 to 99.9% sulfur trioxide.
What is the percnet by mass of sulfur trioxide if oleum is expressed as 3H2SO4 5SO3?

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