[Hoá 11] cần giúp gấp 1 bài toán !!!!!!

G

gacon_lonton_timban

Câu 1.
Gọi CTPT [TEX]C_{n}H_{2n+1}COOH[/TEX]

[TEX]\Rightarrow \frac{16.2}{14n + 46}.100% = 53,33% \Leftrightarrow n = 1[/TEX]

[TEX]=> CH_3COOH[/TEX]

Câu 2.
Gọi CTPT [TEX]C_{n}H_{2n+1}COOH[/TEX]

[TEX]\Rightarrow \frac{12n+12}{14n+46}.100% = 54,54 % \Leftrightarrow n = 3[/TEX]

\Rightarrow [TEX]C_3H_7COOH[/TEX]
 
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