Na2SO4:
Na+ + Na+ + SO4^2-
Ca(HSiO3)2:
Ca^2+ + 2HSiO3^2-
H3PO4:
3H+ + PO4^3-
Ca(HSO4)2:
Ca^2+ + HSO4- + Ca^2+ + HSO4-
Al(OH)3:
Al^3+ + 3OH-
Hope this helps.
Na2SO4:
Na+ + Na+ + SO4^2-
Ca(HSiO3)2:
Ca^2+ + 2HSiO3^2-
H3PO4:
3H+ + PO4^3-
Ca(HSO4)2:
Ca^2+ + HSO4- + Ca^2+ + HSO4-
Al(OH)3:
Al^3+ + 3OH-
Hope this helps.