904891
Question 1
Question
What is the pOH of a 0.350 M solution of Nitric Acid?
Answer
-
0.460
-
6.70
-
12.0
-
13.5
Question 2
Question
Which of the following has the most impact on the acidity of a halogen acid, HX?
Answer
-
The electronegativity of X
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The strength of the H-X bond
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The electron affinity of X
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The ionization potential of H
Question 3
Question
What is the [H+] in a 0.1 M solution of Nitric Acid into which 0.2 moles per liter of HCl is dissolved?
Answer
-
0.1 M
-
0.15 M
-
0.2 M
-
0.3 M
Question 4
Question
What is the pH of a 0.520 M solution of NaOH?
Answer
-
0.280
-
14.0
-
0.140
-
13.7
Question 5
Question
What happens to the pH of a solution of NaOH when BaSO4 is added?
Answer
-
The pH increase.
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The pH decreases.
-
The pH first increases then decreases.
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The pH first decreases then increases.
Question 6
Question
What is the pH of a 1.0 M solution of NaCl in water?
Answer
-
5.5
-
7
-
8.5
-
0
Question 7
Question
What condition must be satisfied to make a good buffer?
Answer
-
You must mix a strong acid with its conjugate base.
-
You must mix a weak acid with its conjugate base.
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The ratio of base to acid must be around 10.
-
The ratio of base to acid must be around 1.
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