10ml某气态烃在50ml氧中充分燃烧得到35ml气体和水,判断此烃
问题描述：
10ml某气态烃在50ml氧中充分燃烧得到35ml气体和水,判断此烃
答
设CxHyCxHy(g) + (x+0.25y)O2(g) == xCO2(g) + 0.5yH2O(l)反应后体积减少1+x+0.25y-x = 1+0.25y现每10ml烃反应实际体积减少了10+50-35=25ml所以1+0.25y = 25/10y=6所以可能是C2H6/C3H6,C4H6不可能,因为10mlC4H6在50m...