Chapter 2, Problem 72QRT

(a)

Interpretation Introduction

Interpretation:

The amount of substance in $\text{127}\text{.08}\text{g}\text{Cu}$ has to be calculated.

Concept Introduction:

Molar mass:

Molar mass of any substance is the mass of one mole of that substance.

(b)

Interpretation Introduction

Interpretation:

The amount of substance in $\text{20}\text{.0}\text{g}\text{calcium}$ has to be calculated.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The amount of substance in  $\text{16}\text{.75}\text{g}\text{Al}$ has to be calculated.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

The amount of substance in  $\text{0}\text{.012}\text{g}\text{K}$ has to be calculated.

Concept Introduction:

Refer to part (a).

(e)

Interpretation Introduction

Interpretation:

The amount of substance in  $\text{5}\text{.0}\text{mg}\text{americium}$ has to be calculated.

Concept Introduction:

Refer to part (a).