PHAÕN TỚCH 3 GAM ANKAN THU ỦỬỤÙC 2,4 GAM CACBON. CTPT CUỶA A LAỨ

73.

Phaõn tớch 3 gam ankan thu ủửụùc 2,4 gam Cacbon. CTPT cuỷa A laứ:

A) CH

4

B) C

2

H

6

C) C

3

H

8

D) C

4

H

10