1. 2NAOH+H2SO4=NA2SO4+2H2O
2NA+2OH+2H+SO4=2NA+SO4+2H2O
2OH+2H=2H2O или OH+H=H2O
2. NA2SO4+BACL2=2NACL+BASO4
2NA+SO4+BA+2CL=2NA+2CL+BASO4
BA+SO4=BASO4
1. 2NAOH+H2SO4=NA2SO4+2H2O
2NA+2OH+2H+SO4=2NA+SO4+2H2O
2OH+2H=2H2O или OH+H=H2O
2. NA2SO4+BACL2=2NACL+BASO4
2NA+SO4+BA+2CL=2NA+2CL+BASO4
BA+SO4=BASO4