Ответ: Cr³⁺ + 3OH⁻ = Cr(OH)3CrCl3 + 3NaOH = Cr(OH)3 + 3NaClCr³⁺ + 3Cl⁻ + 3Na⁺ + 3OH⁻ = Cr(OH)3 + 3Na⁺ + 3Cl⁻Cr³⁺ + 3OH⁻ = Cr(OH)3