Chapter 3, Problem 128QRT

(a)

Interpretation Introduction

Interpretation:

The representation of the box of ${\text{MgCl}}_{\text{2}}$ has to be identified.

Concept introduction:

Dissociation:

When ionic compound dissolved in water it produced cation and anion, this process is called as dissociation.

(b)

Interpretation Introduction

Interpretation:

The representation of the box of ${\text{K}}_{\text{2}}{\text{SO}}_{\text{4}}$ has to be identified.

Concept introduction:

Refer to part (a)

(c)

Interpretation Introduction

Interpretation:

The representation of the box of ${\text{NH}}_{\text{4}}\text{Cl}$ has to be identified.

Concept introduction:

Refer to part (a)