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In a solution at
CHEMISTRY · Subjective · CBSE · Chemistry · Equilibrium · Equilibrium
Problem
In a solution at
p
H
=
4.00
pH = 4.00
p
H
=
4.00
, the concentration ratio
[
A
−
]
[
H
A
]
\frac{[A^-]}{[HA]}
[
H
A
]
[
A
−
]
for a weak monoprotic acid is measured to be
4.0
4.0
4.0
. Calculate the
p
K
a
pKa
p
K
a
of the acid to two decimal places.
Related theory
Equilibrium
PH and ionic product
Ionic Equilibrium and pH
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