NaOH -> Na+ + OH-Ca(OH)2 -> Ca2+ + 2OH-H2SO4 -> 2H+ + SO4^2-HCl -> H+ + Cl-K2CO3 -> 2K+ + CO3^2-NaHCO3 -> Na+ + HCO3-
NaOH -> Na+ + OH-
Ca(OH)2 -> Ca2+ + 2OH-
H2SO4 -> 2H+ + SO4^2-
HCl -> H+ + Cl-
K2CO3 -> 2K+ + CO3^2-
NaHCO3 -> Na+ + HCO3-