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A.C3H4 B.C3H6 C.C3H8 D.C4H10
1 mol某气态烃完全燃烧,生成3 mol二氧化碳和2 mol水,则此烃的分子式是( )
A.C3H6 B.C6H6 C.C3H4 D.C3H8