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Ionic Equilibrium I
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pH of strong and weak acids and bases, mixtures
JEE Main level
Numerical answer
Difficulty 2 of 3
ie078
Calculate the pH of
0.04
M
Ba
(
OH
)
X
2
solution at 298 K, assuming complete ionisation. Give the answer to two decimal places.
Numerical answer type, tolerance 0.01.
Answer: 12.9
[
OH
X
−
]
=
2
×
0.04
=
0.08
M
.
pOH
=
−
lo
g
0.08
=
1.0969
.
pH
=
14
−
1.0969
=
12.90
.
Practice Ionic Equilibrium I
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