Electrolytes

Identify which of the following is cations. Select all that apply.

• Fl-

• NO₂-

• NH₄+

• SO₄^2-

Which solution is a strong electrolyte?

• ethanol

• KCl

• Acetic Acid

What would the substance be classified as?

• nonelectrolyte, no dissociation

• nonelectrolyte, complete dissociation

• strong electrolyte, complete dissociation

• weak electrolyte, partial dissociation

NaCl in water is tested to see if it conducts electricity. Based on the image what is NaCl?

• Nonelectrolyte

• Electrolyte

• Insulator

• Monoatomic ion

What would the substance be classified as?

• nonelectrolyte, no dissociation

• nonelectrolyte, partial dissociation

• strong electrolyte, complete dissociation

• weak electrolyte, partial dissociation

What explains why an electrolyte conducts electricity, but a nonelectrolyte does not?

• Electrolytes dissociate into ions while nonelectrolytes do not dissociate into ions

• Electrolytes are soluble in water while nonelectrolytes are insoluble in water

• Electrolytes completely dissociate into ions while nonelectrolytes partially dissociate into ions

• Electrolytes do not dissociate into ions while nonelectrolytes do dissociate into ions

NH₄NO₃

• soluble
• insoluble

CaCO₃

• soluble
• insoluble

Which is the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

• Ca²⁺(aq) +  2Cl^- (aq) → CaCl(s)
• Ag⁺(aq)  +  Cl^- (aq) → AgCl(s)
• Ag +  Cl  →  AgCl
• Ag⁺  +  Ca²⁺   →Ag₂Ca (s)

What are the spectator ions in this reaction?

CuCl₂(aq) + NaOH(aq) → Cu(OH)₂(s) + NaCl(aq)

• Cu²⁺ and OH^-

• Na²⁺ and Cl^2-

• Na⁺ and Cl^-

• Na⁺ and OH^-