二元醇+2Na==二元醇钠+H2↑1 1 x 1.12/22.4=0.05molx=0.05mol二元醇原子量=3.1/0.05=62设饱和二元醇为CnH2n+2O212n+2n+2+2*16=62n=2该醇的分子...