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Topic 8: Acids, Bases, and Salts

8. Electrolytes: Recalling concept facts and definitions
1. A substance that conducts electrical current when dissolved in water is called
1) A catalyst 3) A nonelectrolyte

2) A metalloid 4) An electrolyte

2. Water solutions conducts electrical current because the solution contains mobile
1) Ions 3) Atoms
2) Molecules 4) Electrons

3. Which list contains types of substances that electrolytes? 3) Soluble salts, acids and bases
1) Soluble salts, sugar, and acids

2) Soluble salts, alcohols, and bases 4) Acids, bases, and alcohols
Teacher Preview Copy
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9. Electrolytes: Determining formulas and names of compounds that are electrolytes

1. Which species can conduct electrical current?
1) NaOH (s) 2) CH3OH(aq) 3) H2O (s) 4) HCl (aq)

2. Which 0.1 M solution contains electrolytes?
1) C6H12O6 (aq) 2) CH3COOH (aq) 3) CH3OH (aq) 4) CH3OCH3 (aq)

3. Which compound is classified as an electrolyte?
1) H2O 2) C12H22O11 3) CH3OH 4) Ca(OH)2

4. An example of a nonelectrolyte is 2) K2SO4 (aq) 3) NaCl (aq) 4) HCl (aq)
1) C6H12O6 (aq)

5. Which compound is a nonelectrolyte?

1) NH3 2) CH4 3) KBr 4) HCl

6. According to Reference Table F, which saturated salt solution would be the best electrolyte?
1) AgCl(aq) 2) PbCl2(aq) 3) NH4Cl (aq) 4) HgCl2(aq)

7. Which salt will form a saturated solution with the highest electrical conductivity?

1) Potassium nitrate
3) Lead sulfate
2) Silver bromide 4) Potassium carbonate
8. In the diagram below, which solution will cause the light bulb to glow?

1) C6H12O6 (aq) 3) CO2(aq)
2) LiOH(aq) 4) C2H5OH (aq)

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