提高稀硫酸PH值,即酸性下降,H+浓度减小,那么反应必须用到H+,产生水或氢气.
H2SO4+Cu(OH)2=CuSO4+2H2O
H2SO4+Ba(OH)2=BaSO4↓+2H2O
H2SO4+Zn=ZnSO4+H2↑
3H2SO4+2Al=Al2(SO4)3+3H2↑
提高稀硫酸PH值,即酸性下降,H+浓度减小,那么反应必须用到H+,产生水或氢气.
H2SO4+Cu(OH)2=CuSO4+2H2O
H2SO4+Ba(OH)2=BaSO4↓+2H2O
H2SO4+Zn=ZnSO4+H2↑
3H2SO4+2Al=Al2(SO4)3+3H2↑