Đáp án C
X
G
l
u
N
H
2
C
3
H
5
(
C
O
O
H
)
2
x
m
o
l
L
y
s
(
N
H
2
)
C
5
H
9
C
O
O
H
y
m
o
l
→
0
,
4
m
o
l
H
C
l
Y
→
0
,
8
m
o
l
N
a
O
H
x + y = 0 , 32 x + y + 0 , 4 = 0 , 8 → x = 0 , 1 y = 0 , 2