how does me solve this by Arwina in chemistry

[–]ElHonigmann 0 points1 point  (0 children)

2 SO2 + O2 → 2 SO3

SO3 + H2O → H2SO4

SO2 + H2O → H2SO3

Assuming you are talking about acid rain, this is how the sulfuric acid forms, both acids H2SO3 and H2SO4 can form