2.24/22.4=0.1molH2,因该物质为一元醇,1mol能生成0.5molH2,所以该一元醇为0.2mol,14.8/0.2=74g/mol,可推得化学式为C4 H10 O,3.7/74=0.05mol,该醇含10个H,即每分子可生成5分子H2O,0.05*5=0.25mol.
选B
2.24/22.4=0.1molH2,因该物质为一元醇,1mol能生成0.5molH2,所以该一元醇为0.2mol,14.8/0.2=74g/mol,可推得化学式为C4 H10 O,3.7/74=0.05mol,该醇含10个H,即每分子可生成5分子H2O,0.05*5=0.25mol.
选B