Na2SO3+ Br2+ H2O →Na2SO4 + 2HBr
Na2SO3+ Br2+ H2O →Na2SO4 + 2HBr
为什么Na2SO3+Br2+H2O生成Na2SO4+2HBr而不是H2SO4+NaBr?
为什么Na2SO3+Br2+H2O=Na2SO4+HBr2而不是H2SO4+2NaBr
对于反应Br2+SO2+2H2O→2HBr+H2SO4和2HBr+H2SO4(浓)→Br2+SO2↑+2H2O,下列说法
Na2SO3+H2SO4=Na2SO4+H2O
Na2SO3 + H2O2 = Na2SO4 + H2O
有下列反应,H2S+Br2=2HBr+S↓,SO2+2H2O+Br2=2H2SO4+2HBr
求解析假设3:CH3CHO+Br2+H2O→CH3COOH+2HBr.结论:若实验测得n(Br2)=0.005mol,n
已知下列反应2HBr+H2SO4(浓)=Br2+SO2+2H2O,Br2+SO2+2H2O=2HBr+H2SO4,有关上
Na2S+Na2so3+H2SO3=Na2so4+S+H2O
Na2SO3+Cl2+H2O=Na2SO4+2HCl中h2o是干嘛用的
SO2 + Br2 +2H2O=2HBr +H2SO4中氧化剂,还原剂是?