Ответ:
1) 2H2S+3O2=2SO2+2H2O
2) SO2+H2O=H2SO3
вещество Х: SO2
2H2S+302=2H20+2S02
S02+H20=H2S03
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Ответ:
1) 2H2S+3O2=2SO2+2H2O
2) SO2+H2O=H2SO3
вещество Х: SO2
Ответ:
2H2S+302=2H20+2S02
S02+H20=H2S03