`SO_3` when absorbed in 98% `H_2SO_4` it forms
`SO_3` when absorbed in 98% `H_2SO_4` it forms
A. More concentrated `H_2SO_4 `
B. `H_2SO_3`
C. `H_2S_2O_8`
D. `H_2S_2O_7`
4 views