Ответ:
1) Ba--BaO--Ba(OH)2--BaSO3
Ba+O2=2BaO
BaO+H2O=Ba(OH)2
Ba(OH)2+SO2=BaSO3+H2O
2)S--SO2--H2SO3--BaSO3
S+O2=SO2
SO2 +H2O = H2SO3
H2SO3+BaO=BaSO3 +H2O
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Ответ:
1) Ba--BaO--Ba(OH)2--BaSO3
Ba+O2=2BaO
BaO+H2O=Ba(OH)2
Ba(OH)2+SO2=BaSO3+H2O
2)S--SO2--H2SO3--BaSO3
S+O2=SO2
SO2 +H2O = H2SO3
H2SO3+BaO=BaSO3 +H2O