September 2021 0 4 Report
Сульфат-анион – окислитель в  реакциях:                     
1. 2H2SO4
+ C = CO2 + 2SO2 + 2H2O

                    
2. H2SO4
+ 2NaOH = Na2SO4 + 2H2O

                    
3. H2SO4
+ BaCL2 = BaSO4 + 2HCL

                   
  4. 2H2SO4
+ Cu = CuSO4 + SO2 + 2H2O ПЛИЗ СРОЧНО!!
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