SO2+H2S=S+H2O怎么配平

问题描述:

SO2+H2S=S+H2O怎么配平

SO2+2H2S=3S+2H2O

1,2.,3,2

SO2中的S化合价下降4,H2S中的S化合价升高2,化合价升降守衡
SO2+2H2S=3S↓+2H2O

SO2+2H2S=3S↓+2H2O

SO2+2H2S===3S+2H2O