Oleum or fuming sulfuric acid available commercially in, Ask an Expert

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Oleum or fuming sulfuric acid available commercially in concentrations ranging from 20 to 99.9% sulfur trioxide.

A. What is the percent by mass of sulfur trioxide (SO3) if oleum is expressed as 3H2SO4 . 5SO3? Show your solution.

B. Discuss at least three potentially hazardous features associated with concentrated sulfuric acid.

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