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Byju's Answer
Standard VII
Chemistry
Water Treatment Plant
pH of the fol...
Question
pH of the following solutions is not affected by dilution A. 0.01M CH3COONa B. 0.01M NaHCO3 C. Buffer of 0.01M CH3COONa and 0.01M CH3COOH D. 0.01M CH3COONH4
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Similar questions
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
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.
100
mL of
0.01
M
C
H
3
C
O
O
H
and
200
mL of
0.02
M
C
H
3
C
O
O
N
a
are mixed to form a buffer solution.
700
mL of water is added to this solution. The pH before and after dilution are:
(pKa = 4.74, log 4 =0.6)
Q.
Assertion :A mixture of 0.01 M
C
H
3
C
O
O
N
a
and
C
H
3
C
O
O
H
is a acidic buffer solution. Reason:
C
H
3
C
O
O
H
is a weak acid.
Read the above assertion and reason and choose the correct option regarding it.
Q.
A buffer solution is formed by mixing 100 mL 0.01 M
C
H
3
C
O
O
H
with 200 mL 0.02 M
C
H
3
C
O
O
N
a
. If this buffer solution is made to 1 lit by adding 700 mL of water,
p
H
will change by a factor of:
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