4 0,1.46   R R C H COOH45 43HCOOH

13, - BAI 8 DAP AN CAC DANG BAI VE AXIT CACBOXYLIC N3 FULL PERMISSION
BAI 8 DAP AN CAC DANG BAI VE AXIT CACBOXYLIC N3 FULL PERMISSION

13, 4 0,1.46

 

R

R

C H COOH

45

43

HCOOH

: 0,1

3

7

nNaOH

0, 2

0.1

RCOOH

Đỏp ỏn: C Cõu 52: NaHCO

3

0,5 mol > CO

2

0,4 mol.

Đặt

HOOC COOH : x(mol)

90x (R

45)y

29, 4

 

RCOOH : y(mol)

2x

y

0, 4

134x 6,327 BTKL : m = m + m - m = x = 0,1

dd Z

X

dd NaHCO

CO

3

2