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19. 某元素分析實驗,0.3884 g 碳氫氧化合物和過量氧氣燃燒後,乾燥管重增加了 0.1802 g,裝有 NaOH 的吸附管重增加了 0.8802 g,則此化合物的實驗式(empirical f
問題詳情
19. 某元素分析實驗,0.3884 g 碳氫氧化合物和過量氧氣燃燒後,乾燥管重增加了 0.1802 g,裝有 NaOH 的吸附管重增加了 0.8802 g,則此化合物的實驗式(empirical formula)為何?
(A) C5H5O2
(B) C3H3O
(C) C2H2O
(D) CH2O2
參考答案
答案:A
統計:A:2,B:0,C:1,D:0,E:0
難度:計算中
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