Ответ:NaOH → Na⁺ + OH⁻.Zn(NO₃)₂ → Zn²⁺ + 2NO₃⁻.AlCl₃ → Al³⁺ + 3Cl⁻.HNO₃ → H⁺ + NO₃⁻.Sr(OH)₂ → Sr²⁺ + 2OH⁻.Ba(HCO₃)₂ → Ba²⁺ + 2HCO₃⁻.