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Chemistry
Chemistry
Problem
If
p
K
b
\text{p}K_b
p
K
b
for
C
6
H
5
O
−
\text{C}_6\text{H}_5\text{O}^-
C
6
H
5
O
−
is 4, what is the pH of 0.1 M
C
6
H
5
O
−
\text{C}_6\text{H}_5\text{O}^-
C
6
H
5
O
−
in solution at
25
∘
C
25^\circ\text{C}
2
5
∘
C
? a. 13.0 b. 12.5 c. 11.5 d. 10.5
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