准确的说是钠和乙醇反应2CH3CH2OH+2Na-----2CH3CH2ONa+H2 取代
乙醇与钠反应生成乙醇钠和氢气 2CH3CH2OH+2Na---2CH3CH2ONa+H2↑
2Na + 2CH3CH2OH = 2CH3CH2ONa +H2↑生成乙醇钠和氢气
2CH3CH2OH ＋ 2Na = 2CH3CH2ONa ＋ H2↑
