Err....I think that something is wrong! It should be BaSO
4 + H
+ ----> Ba
2+ + H
2SO
4Well, try to solve it by yourself, it's pretty easy....
But wit nitric acid this reaction is possble!
BaSO3 + H(+) + NO3(-) = Ba2+ + SO4(2-) +NO +H2O (unbalanced !)