The gas that can be dried using concentrated tetraoxosulphate (VI) acid is

Xavi-whizz

11 years ago

When a pure sample of sulphur(iv)oxide is prepared in the laboratory by action of hydrochloric acid on sodiumtrioxosulphate(iv), heat is applied to decompose the trioxosulphate(iv)acid formed in solution to liberate sulphur(iv)oxide. The gas is dried by passing it through a wash bottle containing concentrated tetraoxosulphate(vi) acid and is collected by upward displacement of air (i.e it is heavier than air).

Tofire

3 years ago

Conc H2SO4 can dry all acidic gases except H2S and NH3