取下列各组混合物12克,不论各成分按什么物质的量之比混合,完全

取下列各组混合物12克,不论各成分按什么物质的量之比混合,完全燃烧时总能得到17.6克CO2的是(  )

A.苯和己炔                                      B.乙醇和乙醚

C.葡萄糖和甲酸甲酯                          D.乙酸与甲醛

答案

解析:由题意知必满足混合物中各物质的最简式相同,且碳的百分含量为一定值。

答案:CD

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