可以看做A三个个反应（比如氯气和氢氧化钠）cl2+H2O=Hcl+HcloHcl+NaoH=NaCL+H2OHclo+NaoH=NaClo+H2O总的是:cl2+NaoH=NaCL+NaClo+H2O
4X2+8NaOH ＝ NaXO4+7NaX+4H2O
