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Byju's Answer
Standard X
Chemistry
Electrolysis and Electrolytes
When 100 mL o...
Question
When 100 mL of 0.1 M NH4OH is added to 100 mL of 0.1 M HCl, pH of solution is (pKb of NH4OH is 4.74)? A3.28 B4.28 C5.28 D6.28
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Q.
What volume of 0.2 M
N
H
4
C
l
solution should be added to 100 ml of 0.1 M
N
H
4
O
H
solution to produce a buffer solution of
p
H
=
8.7
?
Given :
p
K
b
o
f
N
H
4
O
H
=
4.7
;
antilog (0.6)
=
4
Q.
20
m
L
of
0.1
M
H
2
S
O
4
solution is added to
30
m
L
of
0.2
M
N
H
4
O
H
solution. The
p
H
of the resultant mixture is:
[
P
k
b
o
f
N
H
4
O
H
=
4.11
]
Q.
20
m
L
of
0.1
M
H
2
S
O
4
solution is added to
30
m
L
of
0.2
M
N
H
4
O
H
solution. The
p
H
of the resultant mixture is
[
p
K
b
o
f
N
H
4
O
H
=
4.7
,
log
2
=
0.3010
]
Q.
100
m
L
of
0.1
M
H
C
l
is titrated against the
0.1
M
N
a
O
H
solution. What will be the
p
H
of the solution when
100
m
L
N
a
O
H
is added ?
Q.
100
m
L
of a
0.1
M
C
H
3
C
O
O
N
a
(
a
q
)
is titrated against a
0.1
M
H
C
l
(
a
q
)
. Calculate the
p
H
of the solution when
50
m
L
of
H
C
l
was added.
Given:
p
K
a
(
C
H
3
C
O
O
H
)
=
4.74
a
t
25
o
C
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