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(CH3CH2)3CH所含的伯、仲、叔氢原子的个数比是( )

单选题
2021-09-01 23:40
A、0.12709490740740742
B、0.1264236111111111
C、0.25278935185185186
D、0.37917824074074075
E、0.12640046296296295
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正确答案
D

试题解析

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