College Chemistry Quiz
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ACIDS, BASES & AQUEOUS EQUILIBRIA
Question 1
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The pH of a 0.25 M solution of sodium hypochlorite (
N
a
C
l
O
NaClO
N
a
C
l
O
) is 10.75 at 25°C. What is the
K
b
K_b
K
b
value for the hypochlorite ion (
C
l
O
−
ClO^-
C
l
O
−
)?
A
3.2
×
10
−
7
3.2 \times 10^{-7}
3.2
×
1
0
−
7
B
5.6
×
10
−
8
5.6 \times 10^{-8}
5.6
×
1
0
−
8
C
1.8
×
10
−
7
1.8 \times 10^{-7}
1.8
×
1
0
−
7
D
2.0
×
10
−
7
2.0 \times 10^{-7}
2.0
×
1
0
−
7
E
4.5
×
10
−
8
4.5 \times 10^{-8}
4.5
×
1
0
−
8
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