Question

Помни е срочно на завтра

Answer 1

Ответ:

Кароче вот

1-в

2-б

3-а

4-б,в,а,г

5-

(C2H2O)=

(C)=57%

(H)=5%

(O)=38%

(H2CO3)=

(H)=3%

(C)=19%

(O)=77%

(CH3OH)=

(C)=7.5%

(H)=2.5%

(0)=50%

(CH3COOH)

(C)=40%

(H)=7%

(O)=53%