Answer to 2F.
V CN
-
[CN
-
]
V.H
3
O
[H
3
O
+
]
V
T
[HCN]
(25/40)*3
=1.875
25
15
(15/40)*5
=1.875
40mL
0
Start
-1.875
-1.875
+1.875
Rxt LR
0
0
1.875
remain