与氢气的相对密度是30即相对分子质量60
n(C)=60*40%/12=2
n(H)=60*6.6%/1=4
n(O)=60*(1-40%-6.6%)/16=2
所以A为:C2H4O2实验式:CH2O
又因为:核磁共振氢谱有两个吸收峰
所以结构式:
H
|
H-C-COOH
|
H
与氢气的相对密度是30即相对分子质量60
n(C)=60*40%/12=2
n(H)=60*6.6%/1=4
n(O)=60*(1-40%-6.6%)/16=2
所以A为:C2H4O2实验式:CH2O
又因为:核磁共振氢谱有两个吸收峰
所以结构式:
H
|
H-C-COOH
|
H