Sulfur trioxide
Videos
Sulfur trioxide is the chemical compound with the formula SO3. It has been described as "unquestionably the most important sulfur oxide". It is produced industrially on a vast scale as a precursor to
An ampoule of sulfur trioxide
Phosphorus pentoxide
Videos
Phosphorus pentoxide is a chemical compound with molecular formula P4O10. This white crystalline solid is the anhydride of phosphoric acid. It is a powerful desiccant and dehydrating agent.
Sulfur trioxide
…generates significant quantities of hydrogen chloride gas which needs to be captured as well. SO3 may also be prepared by dehydrating sulfuric acid with phosphorus pentoxide. Sulfur trioxide is a reagent in sulfonation reactions. Dimethyl sulfate is produced commercially by the reaction of dimethyl ether with sulfur trioxide…
Sample of Phosphorus pentoxide