Chapter 7.1, Problem 7.1P

(a)

Interpretation Introduction

Interpretation:

The number of atoms in one mole of iron has to be given.

Concept Introduction:

Avogadro’s number:

Avogadro’s number is the number of atoms in one mole of any substance.  The units may be electrons, atoms, ions or molecules depending on the nature of the substance.

  $\text{1}\text{mole=6}{\text{.022×10}}^{\text{23}}\text{unit}$

(b)

Interpretation Introduction

Interpretation:

The number of atoms in one mole of ${\text{H}}_{\text{2}}$ has to be given.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The number of atoms in one mole of ${\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}$ has to be given.

Concept Introduction:

Refer to part (a).