Chapter 3, Problem 3.48SP

(a)

Interpretation Introduction

Interpretation:

Thenumber of sodium in ${\text{Na}}_{\text{?}}{\text{SO}}_{\text{4}}$ has to be identified.

(b)

Interpretation Introduction

Interpretation:

The number of barium and phosphate in ${\text{Ba}}_{\text{?}}{{\text{(PO}}_{\text{4}})}_{?}$ has to be identified.

(c)

Interpretation Introduction

Interpretation:

The number of gallium and sulphate in ${\text{Ga}}_{\text{?}}{{\text{(SO}}_{\text{4}})}_{?}$ has to be identified.