选择题 现有乙酸和两种链状单烯烃混合物,其中氧的质量分数为a,则碳的质量分数是
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A.
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B.
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C.
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D.
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选择题 现有乙酸和两种链状单烯烃混合物,其中氧的质量分数为a,则碳的质量分数是
[???? ]
A .
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600)makesmallpic(this,600,1800);\' style=\"VERTICAL-ALIGN: middle\" border=\"0\" src=\"http://www_php168_com/91files/2016060705/l23v3dfm0o3.gif\">
B.
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C.
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D.
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本题答案:C
本题解析:
本题所属考点:【有机物燃烧规律的计算】
本题难易程度:【一般】
It is but a step form the sublime to the ridiculous. 从崇高到荒谬只有一步之差.