熱心網(wǎng)友

苯:C6H6 摩爾比C:H=6:6=1:1乙炔：C2H2 摩爾比C:H=2:2=1:1苯乙炔：C8H8 摩爾比C:H=8:8=1:1質(zhì)量比都是C:H=12:1則它們碳的百分?jǐn)?shù)=12/(12+1)=92.3%

熱心網(wǎng)友

92.3%

熱心網(wǎng)友

乙炔：C2H2 苯乙炔：C8H8 C:H=12:1則它們碳的百分?jǐn)?shù)都是92.3%