Percent Ionization
Chapter 17-6
Dr. Robert Belford & Xiaomin Tu
Question 1
What is the percent ionization of 0.25 aqueous HF? Ka = 6.8x10
-4
(A)
4.2%
(B)
5.2%
(C)
6.2%
(D)
none of the above
Hint
Your response
Not answered yet
Question 2
What is the percent ionization of 0.0055 aqueous HF? Ka = 6.8x10
-4
(A)
15.5%
(B)
22.5%
(C)
29.5%
(D)
none of the above
Hint
Your response
Not answered yet
Question 3
What is the percent ionization of 0.05M of NH
4
Cl? Ka=5.6x10
-10
(A)
0.0015%
(B)
0.011%
(C)
0.12%
(D)
none of the above
Hint
Your response
Not answered yet
Question 4
What is the percent ionization of a 0.002M solution of H
2
CO
3
? Ka
1
=4.3x10
-7
, Ka
2
= 5.6x10
-11
(A)
1.0%
(B)
1.25%
(C)
1.45%
(D)
none of the above
Hint
Your response
Not answered yet
Question 5
What is the percent ionization of 0.04M of hydrazoic acid (HN
3
)? Ka=1.9x10
-5
(A)
2.2%
(B)
4.5%
(C)
6.9%
(D)
none of the above
Hint
Your response
Not answered yet