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Chemistry
Chemistry
Problem
Calculate the change in pH of 0.1 M
Na
2
HA
\text{Na}_2\text{HA}
Na
2
HA
solution after diluting it to ten times the original volume. (Given that for
H
3
A
\text{H}_3\text{A}
H
3
A
:
K
a
1
=
10
−
4
K_{a_1} = 10^{-4}
K
a
1
=
1
0
−
4
,
K
a
2
=
10
−
7
K_{a_2} = 10^{-7}
K
a
2
=
1
0
−
7
,
K
a
3
=
10
−
11
K_{a_3} = 10^{-11}
K
a
3
=
1
0
−
11
)
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