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12.某有机化合物仅由碳、氢、氧三种元素组成,其相对分子质量小于150,若已知其中氧的质量分数为50%,则分子中碳原子的个数最多为( ) (A)4 (B)5 (C)6 (D)7
問題詳情
12.某有机化合物仅由碳、氢、氧三种元素组成,其相对分子质量小于150,若已知其中氧的质量分数为50%,则分子中碳原子的个数最多为( )
(A)4
(B)5
(C)6
(D)7
參考答案
答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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