Объяснение:
S+2Na=Na2S
Na2S+2H2O=2NaOH+H2S
2H2S+3O2=2SO2+2H2O
SO2+2NaOH = Na2SO3 +H2O
Na2SO3+BaCl2=BaSO3↓+2NaCl
S+H2=H2S
2H2S+3O2-->2H2O+2SO2
SO2+Na2O-->Na2SO3
Na2SO3+BaCl2-->BaSO3+2NaCl
BaSO3-->BaO+SO2
Объяснение:
S+2Na=Na2S
Na2S+2H2O=2NaOH+H2S
2H2S+3O2=2SO2+2H2O
SO2+2NaOH = Na2SO3 +H2O
Na2SO3+BaCl2=BaSO3↓+2NaCl
S+H2=H2S
2H2S+3O2-->2H2O+2SO2
SO2+Na2O-->Na2SO3
Na2SO3+BaCl2-->BaSO3+2NaCl
BaSO3-->BaO+SO2