Hurst Jan 23 Electrolytes

Front

What is a solute?

Back

The substance that is dissolved into the solution.

Front

Write the dissociation equation for ZnCl₂. Show physical states of all species involved.

Back

ZnCl₂(s) → Zn²⁺(aq) + 2Cl⁻(aq)

Front

Which of the following is a strong electrolyte when dissolved in water? NaNO₃, C₂H₅OH, C₁₂H₂₂O₁₁, CH₄

Back

NaNO₃

Front

The substance in which something else dissolves is called...?

Back

Solvent

Front

Which solution would be least likely to carry an electric current? NaCl, HCl, C₆H₁₂O₆, CsI

Back

C₆H₁₂O₆

Front

What is an electrolyte?

Back

A substance that dissociates into ions in solution and can conduct electricity.

Front

Define strong electrolyte.

Back

A strong electrolyte is a substance that completely dissociates into ions in solution.

Front

Define weak electrolyte.

Back

A weak electrolyte is a substance that partially dissociates into ions in solution.

Front

What is the role of a solvent in a solution?

Back

The solvent is the substance that dissolves the solute.

Front

What is the difference between a solute and a solvent?

Back

The solute is the substance being dissolved, while the solvent is the substance doing the dissolving.