H2S + 3H2SO4(浓) ==加热== 4SO2(气体) + 4H2O不加热的话：H2S + H2SO4(浓) ==== S(沉淀) + SO2(气体) + 2H2O3H2S+H2SO4=4S+4H2O如果H2SO4过量,那么2H2SO4+S=3SO2+2H2O,总反应就是3H2S+9H2SO4=12SO2+12H2O也就是说,H...