Chapter 8, Problem 31AE

(a)

Interpretation Introduction

Interpretation:

The number of nickel atoms in $\text{5}{\text{Ni}}_{\text{3}}{\left({\text{PO}}_{\text{4}}\right)}_{\text{2}}$ has to be given.

(b)

Interpretation Introduction

Interpretation:

The number of phosphorus atoms in $\text{5}{\text{Ni}}_{\text{3}}{\left({\text{PO}}_{\text{4}}\right)}_{\text{2}}$ has to be given.

(c)

Interpretation Introduction

Interpretation:

The number of oxygen atoms in $\text{5}{\text{Ni}}_{\text{3}}{\left({\text{PO}}_{\text{4}}\right)}_{\text{2}}$ has to be given.

(d)

Interpretation Introduction

Interpretation:

The number of atoms of all kinds has to be given.