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