已知一种气态烃含碳75%,在标准状况下该化合物0.5g其体积为700ml,求这种烃的分子量
人气:142 ℃ 时间:2020-06-29 12:15:00
解答
该烃的相对分子质量为0.5/(0.7/22.4)=16
该烃分子式中含碳原子数为:16x75%/12=1
该烃分子式中含氢原子数为:16x25%/1=4
该烃的分子式为CH4.
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