7. Which of the molecules below can hydrogen bond to another of the same compound?
(A) CH3CH2OCH2CH3
(B) CH3CH2COOCH3
(C) (CH3CH2) 2CHOH
(D) (CH3CH2) 3N
(E) all of the above
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統計: A(2), B(0), C(16), D(1), E(1) #2055424
統計: A(2), B(0), C(16), D(1), E(1) #2055424