What happens to the pH of a solution of NaOH when BaSO4 is added?

The pH first increases then decreases.

The pH first decreases then increases.

What condition must be satisfied to make a good buffer?

The ratio of base to acid must be around 1.

You must mix a strong acid with its conjugate base.

You must mix a weak acid with its conjugate base.

The ratio of base to acid must be around 10.

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1What is the pOH of a 0.350 M solution of Nitric Acid?
1. A0.460
2. B6.70
3. C12.0
4. D13.5
2Which of the following has the most impact on the acidity of a halogen acid, HX?
1. AThe electronegativity of X
2. BThe strength of the H-X bond
3. CThe electron affinity of X
4. DThe ionization potential of H
3What is the [H+] in a 0.1 M solution of Nitric Acid into which 0.2 moles per liter of HCl is dissolved?
1. A0.1 M
2. B0.15 M
3. C0.2 M
4. D0.3 M
4What is the pH of a 0.520 M solution of NaOH?
1. A0.280
2. B14.0
3. C0.140
4. D13.7
5What happens to the pH of a solution of NaOH when BaSO4 is added?
1. AThe pH increase.
2. BThe pH decreases.
3. CThe pH first increases then decreases.
4. DThe pH first decreases then increases.
6What is the pH of a 1.0 M solution of NaCl in water?
1. A 5.5
2. B7
3. C8.5
4. D0
7What condition must be satisfied to make a good buffer?
1. AYou must mix a strong acid with its conjugate base.
2. BYou must mix a weak acid with its conjugate base.
3. CThe ratio of base to acid must be around 10.
4. DThe ratio of base to acid must be around 1.

Descrição: Third Year MCAT Quiz sobre MCAT Review: Acids & Bases, criado por HappyOwl em 20-05-2014.
Autor: HappyOwl
Idioma: English
Visualizações: 326
Etiquetas: mcat study chemistry mcat mcat prep mcat third year
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