Chapter F, Problem I.3E

(a)

Interpretation Introduction

Interpretation:

The substance ${\text{CH}}_{\text{3}}\text{OH}$ is an electrolyte or not has to be given.

Concept Introduction:

Strong electrolyte is the one that has the solute particles as ions in the solution.  They conduct electricity through the ions.  Nonelectrolyte is the one that has solute particles as molecules in the solution and they do not conduct electricity.

(b)

Interpretation Introduction

Interpretation:

The substance ${\text{BaCl}}_{\text{2}}$ is an electrolyte or not has to be given.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

The substance $\text{KF}$ is an electrolyte or not has to be given.

Concept Introduction:

Refer part (a).