1)s-so2-so3-h2so4-k2so4 2)cu-cuo-cuso4-cu(oh)2-cuo - вопрос №12324242422999912 от ed77714 21.05.2020 18:46

Question

Химия: 1)s-so2-so3-h2so4-k2so4 2)cu-cuo-cuso4-cu(oh)2-cuo

ed77714 · Answer

1) S + O2 = SO2 ; SO2 + O3 = SO3 + O2 ; SO3 + H2O = H2SO4 ; K2ZnO4 + 2H2SO4 = K2SO4 + ZnSO4 + 2H2O ; 2) 2Cu + O2 = 2CuO ; CuO + H2SO4 = CuSO4 + H2O ; CuSO4 + 2NaOH = Cu(OH)2 + Na2SO4 ; Cu(OH)2 = CuO + H2O (нагрев)...