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Chemistry
Chemistry A Molecular Approach Study Set 2
Quiz 16: Acids and Bases
Determine the Ph of a 0
Question 56
Multiple Choice
Determine the pH of a 0.62 M NH
4
NO
3
solution at 25°C.The K
b
for NH
3
is 1.76 × 10
-5
. A) 2.48 B) 9.27 C) 11.52 D) 4.73 E) 9.45
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Related questions
Q 57
Determine the pH of a 0.22 M NaF solution at 25°C.The K
a
of HF is 3.5 × 10
-5
. A) 10.20 B) 5.10 C) 8.90 D) 11.44 E) 2.56
Q 58
In a triprotic acid,which K
a
has the highest value? A) K
a1
B) K
a2
C) K
a3
D) K
b1
E) K
b2
Q 59
Determine the pH of a 0.18 M H
2
CO
3
solution.Carbonic acid is a diprotic acid whose K
a1
= 4.3 × 10
-7
and K
a2
= 5.6 × 10
-11
. A) 11.00 B) 10.44 C) 5.50 D) 4.31 E) 3.56
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