Ответ:
S+H2=H2S
2H2S + 3O2 =2H2O + 2SO2
2SO2+O2=2SO3
SO3+H2O=H2SO4
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Ответ:
S+H2=H2S
2H2S + 3O2 =2H2O + 2SO2
2SO2+O2=2SO3
SO3+H2O=H2SO4