Ответ:
A)2Ba+O2=2BaO
BaO+H2O=Ba(OH)2
Б)S+O2=SO2
SO2+H2O=H2SO3
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Ответ:
A)2Ba+O2=2BaO
BaO+H2O=Ba(OH)2
Б)S+O2=SO2
SO2+H2O=H2SO3