摘要:配平下列化学方程式: H2SO4 -( )Al2(SO4 )3+( )H2 ↑ H2+WO3-H2O+W Fe3O4-CO2+CxHy+( )O2-( )CO2+( )H2O CO-CO2 FeS2+( )O2-( )Fe2O3+SO2 ⑺( )Fe2O3+( )H2SO4-( )Fe2(SO4)3+ ( )H2O ⑻( )C2H5OH+( )O2-( )CO2+H2O

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