Answer to 1E.
V
NH
3
[NH
3
]
V.H
3
O
[H
3
O
+
]
V
T
[NH
4
+
]
25
(25/35)*3
=2.143
10
(10/35)*2.5
=.7143
35mL
0
Start
-.7143
-.7143
+.7143
Rxt LR
1.429
0
.7143
remain