Напиши уравнения реакций к каждому опыту

1. 2Cu + O2 -> 2CuO
2. CuSO4 + 2NaOH -> Cu(OH)2↓ + Na2SO4
3. 3C9H8O4 + FeCl3 -> [Fe(C9H7O4)3] + 3HCl
4. CH2O + 2[Ag(NH3)2]OH + NaOH -> HCOONa + 2Ag↓ + 4NH3 + 3H2O
5. Mg + 2CH3COOH -> (CH3COO)2Mg + H2↑
6. FeCl3 + 3NaOH -> Fe(OH)3↓ + 3NaCl
Fe(OH)3 + 3CH3COOH -> (CH3COO)3Fe + 3H2O