What is the product of a well-known synthesis reaction that takes place when sulfur trioxide combines with water vapor in the atmosphere?

1 Answer
Jun 21, 2016

#"Sulfuric acid: "SO_3(g) + H_2O(g) rarr H_2SO_4(l)#


You need to research the contact process. The actual chemical procedure is not so straightforward. Sulfur trioxide is, however, clearly the acid anhydride of sulfuric acid.