第五章习题答案 l1.A:7.68%;B:13.8% 12.M2:M:M2=100:4.4 13.四连峰:M:M+1:M+2:M+3=100:1.1.98:1.1 18.(b) 19.(b) CH3 o-CH2 CH3
第五章习题答案 11.A : 7.68%; B : 13.8% 12.M+2; M : M+2 = 100 : 4.4 13.四连峰;M : M+1: M+2 : M+3 = 100 : 1.1 :98 : 1.1 18.(b) 19.(b) 20. 21. CH3 C C CH3 CH3 CH3 O CH3 C O CH2CH3 O