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Chemistry
Chemistry
Problem
Equal volumes of 0.10 M hypochlorous acid, HOCl (
K
a
=
3.5
×
10
−
8
K_a = 3.5\times10^{−8}
K
a
=
3.5
×
1
0
−
8
), and 0.10 M ethylamine, C
2
_2
2
H
5
_5
5
NH
2
_2
2
(
K
b
=
5.4
×
10
−
4
K_b = 5.4\times10^{−4}
K
b
=
5.4
×
1
0
−
4
), are combined in a beaker at 25 °C. What is the pH of the final mixture? a)
7.0
7.0
7.0
b)
10.1
10.1
10.1
c)
9.1
9.1
9.1
d)
7.5
7.5
7.5
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