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Byju's Answer
Standard XII
Chemistry
Salt of Strong Acid and Weak Base
Determine the...
Question
Determine the pH value of
0.1
M
aqueous solution of ammonium cyanide
(
p
K
a
=
9.04
,
p
K
b
=
4.73
)
.
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Solution
N
H
4
C
N
is a salt of weak acid and weak base. So
p
H
=
7
+
0.5
(
p
K
a
−
p
K
b
)
p
H
=
7
+
0.5
(
9.04
−
4.73
)
p
H
=
9.155
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Similar questions
Q.
Calculate the pH of an aqueous solution of
1
M
ammonium formate, assuming complete dissociation.
(
p
K
a
=
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,
p
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=
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)
Q.
What will be the
p
H
of an aqueous solution of
1.0
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Given:
p
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p
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.
Q.
Calculate the pH of an aqueous solution of
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p
K
a
for formic acid
=
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K
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=
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Q.
The pH of ammonium acetate can be calculated by using the expression:
Q.
A
100
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L
,
0.1
M
solution of ammonium acetate is diluted by adding
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