Al2O3+H2SO4= Mg(OH)2+HNO3= Помогите плииз
Al ₂ O ₃ + 3 H ₂ SO ₄ = Al ₂ ( SO ₄ ) ₃ + 3 H ₂ O -------------------------------------------------------- Mg ( OH ) ₂ + 2 H NO ₃ = Mg (NO ₃ ) ₂ + 2 H ₂ 0