Molecular equation: CaSO4(s) + H2SO4(aq) → Ca(HSO4)2(aq)
Ionic equation: Ca2+(aq) + SO4^2-(aq) + 2H+(aq) + SO4^2-(aq) → Ca^2+(aq) + 2HSO4^-(aq)
Molecular equation: CaSO4(s) + H2SO4(aq) → Ca(HSO4)2(aq)
Ionic equation: Ca2+(aq) + SO4^2-(aq) + 2H+(aq) + SO4^2-(aq) → Ca^2+(aq) + 2HSO4^-(aq)