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Byju's Answer
Standard XII
Chemistry
Potassium Dichromate
A mixture con...
Question
A mixture contains 0.05 moles each of CH3COONa and CH3COOH. Its pH will be (pKa of CH3COOH = 4.74)
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Q.
p
K
a
of
C
H
3
C
O
O
H
is 4.74. The pH of 0.01 M
C
H
3
C
O
O
N
a
is
Q.
To
1.0
L
solution containing
0.1
mol each of
N
H
3
and
N
H
4
C
l
,
0.05
mol NaOH is added. The change in pH will be :
(
p
K
a
for
C
H
3
C
O
O
H
=
4.74
)
Q.
p
K
a
of
C
H
3
C
O
O
H
is 4.74. Thus, the buffer range for
C
H
3
C
O
O
H
and
C
H
3
C
O
O
N
a
buffer is
Q.
The ratio of volumes of
C
H
3
C
O
O
H
(
0.1
N
)
to
C
H
3
C
O
O
N
a
(
0.1
N
)
required to prepare a buffer solution of
p
H
5.74 is:
(Given
p
K
a
of
C
H
3
C
O
O
H
is 4.74)
Q.
Find the change in pH when 0.01 mole
C
H
3
C
O
O
N
a
is added to one litre of 0.01 M
C
H
3
C
O
O
H
.
p
K
a
=
4.74
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Standard XII Chemistry
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