题目:
充分燃烧某液态芳香烃X,并收集产生的全部水,恢复到室温时,得到水的质量跟原芳香烃X的质量相等。则X的分子式是 [ ]
A.C10H16
B.C11H14
C.C12H18
D.C13H20
答案:
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