1
E = electric field strength = volts/cm
Additional Practice Problems:
SEPARATIONS
Chem 241-Section 1
Spring 2008
Professor Jorgenson
R
S
=
2 t
2
−
t
1
(
)
W
1
+
W
2
V
R
=
V
M
+
KV
S
H
=
L
N
=
A
+
B
u
+
Cu
α
=
K
2
K
1
=
k'
2
k'
1
=
t
2
−
t
m
t
1
−
t
m
m
m
r
M
S
M
M
S
S
t
t
t
V
V
K
V
C
V
C
k'
−
=
=
=
D
=
K H
+
[ ]
K
a
+
H
+
[ ]
D
=
KK
a
K
a
+
H
+
[ ]
t
r
=
t
m
1
+
k'
(
)
=
L
u
1
+
K
V
S
V
M
⎛
⎝
⎜
⎞
⎠
⎟
Q
n
=
V
1
V
1
+
KV
2
⎛
⎝
⎜
⎞
⎠
⎟
n
K
=
C
organic
C
aqueous
K
=
C
stationary
C
mobile
(
)
1
4
k'
1
k'
1
4
N
R
ave
2
S
−
≈
⎟
⎠
⎞
⎜
⎝
⎛
+
⎟
⎠
⎞
⎜
⎝
⎛
−
=
γ
α
α
N
N
=
16R
S
2
α
α
−
1
⎛
⎝
⎜
⎞
⎠
⎟
2
1
+
k'
ave
k'
2
⎛
⎝
⎜
⎞
⎠
⎟
2
t'
r
=
t
r
−
t
m
I
=
100 n
+
N
−
n
(
)
Log t'
X
(
)
−
Log t'
n
(
)
Log t'
N
(
)
−
Log t'
n
(
)
⎛
⎝
⎜
⎞
⎠
⎟
⎡
⎣
⎢
⎤
⎦
⎥
velocity
=
µ
apparent
E
µ
apparent
=
µ
ep
+
µ
eo
2
H
2
r
2
B
2
r
2
t
2
r
W
t
5.55
W
t
16
t
N
=
=
=
σ
1
2
t
t
=
γ

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