Oleum

September 8th, 2008 by

Oleum (Latin oleum = “oil”), or fuming sulfuric acid refers to a solution various compositions of sulfur trioxide in sulfuric acid or sometimes more specifically to disulfuric acid (also known as pyrosulfuric acid).
Oleums can be described by the formula ySO3.H2O where y is the total molar sulfur trioxide content. The value of y can be [...]

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