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112年 - 112 台北市立陽明高級中學教師甄試化學科試題#119137
> 試題詳解
4. What is the molecular formula of a hydrocarbon containing 84.6% carbon by mass with a molar mass of 142.3 g mol
−1
?
(A) C
20
H
44
(B) C
11
H
10
(C) C
10
H
22
(D) C
5
H
11
答案：
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統計：
A(0), B(2), C(1), D(0), E(0) #3217450
詳解 (共 1 筆)
Kai
B1 · 2024/03/22
#6051252
首先由分子量為142.3這一點即可刪除Ａ...
(共 78 字，隱藏中）
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