If H2SO4 ionises H2SO4 + 2H2O `->` 2H3O+ + SO42- then total number of ions in 20 ml of 0.1 M H2SO4 SO4 solution are
3.0 `xx` 1024
3.612 `xx` 1021
3.612 `xx` 1023
0.1 mol of ions
what is SO4SO4 mean