42 N = N - N = 0,18 - N < N 0,1325 MOLH O H O H O7...
3, 42
n = n - n = 0,18 - n < n 0,1325 mol
H O
H O
H O
72
2
2
2
hh
CO
2
(s mol h n h p l n nh t khi h n h p g m toàn b là C
3
H
4
O
2
)
m = m - (m
+ m ) < 18 - (18 0,1325 + 44 18) = 7,695 gam
- 0,
gi¶m
H O
CO
2
2