Ответ:
a) O2+S=SO2
SO2+H2O=H2SO3
б)2Ba+O2= 2BaO
BaO+H2O= Ba(OH)2
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Ответ:
a) O2+S=SO2
SO2+H2O=H2SO3
б)2Ba+O2= 2BaO
BaO+H2O= Ba(OH)2