Помогите Пж ХІМІЯ CaO + HNO3 = KOH + HCl = Na2O + HSCu = Zn + H2SO4 = Ca + H2O = Na2S + HBr = KOH + CO2 = NaOH + SO3 = K2SO3 + CaCl2 = Cr(NO3)2 + KOH =
CaO + 2HNO3 -->Ca(NO3)2+H2O KOH + HCl -->KCL+H2O Na2O + HSCu ≠ Zn + H2SO4 -->ZnSO4+H2 Ca + 2H2O -->Ca(OH)2+H2 Na2S + HBr -->NaBr+H2S 2KOH + CO2 -->K2CO3+H2O 2NaOH + SO3 =Na2SO4+H2O K2SO3 + CaCl2 = 2KCL+CaSO3 Cr(NO3)2 + 2KOH =Cr(OH)2+2KNO3
CaO + 2 HNO3 = Ca(NO3)2 + H2O KOH + HCl = H2O + KCl Na2O + HSCu = CuO + HSNa2 Zn+H2SO4=H2+ZnSO4 Ca + 2 H2O = Ca(OH)2 + H2 Na2S + 2 HBr = H2S + 2 NaBr 2 KOH + CO2 = H2O + K2CO3 2 NaOH + SO3 = H2O + Na2SO4