CNH2N+2OX + (3N+1-X)/2 O2 --> NCO2 +(N+1)H2O 0,2. (3N+1-X)/2 = 0,...

câu 26: - BAI 3 DAP AN BAI TAP DANH PHAP CAC HOP CHAT HUU CO KG
BAI 3 DAP AN BAI TAP DANH PHAP CAC HOP CHAT HUU CO KG

Câu 26:

C

n

H

2n+2

O

x

+ (3n+1-x)/2 O

2

--> nCO

2

+(n+1)H

2

O

0,2. (3n+1-x)/2 = 0,8

--> 3n - x =7 (x <=n)

-->n =3 ; x =2 => C

3

H

6

(OH)

2

2C

3

H

6

(OH)

2

+ Cu(OH)

2

nCu(OH)

2

=0,1.98=9,8(g)