Science

ChemistryIntroductory Chemistry: A Foundation(a) Interpretation: The mass in grams of 10, 000, 000, 000 nitrogen molecules should be determined. Concept Introduction: Number of moles is equal to the ratio of given mass to the molar mass. The mathematical expression is given by: Number of moles = Given mass Molar mass Molar mass of the molecule is equal to the sum of the masses of atoms present in the molecule. The one mole of any substance is equal to the Avogadro number i.e. 6.022 × 10 23 atoms.Start your trial now! First week only $4.99!*arrow_forward*

BuyFind*launch*

9th Edition

Steven S. Zumdahl + 1 other

Publisher: Cengage Learning

ISBN: 9781337399425

Chapter 8, Problem 91AP

Interpretation Introduction

**(a)**

**Interpretation:**

The mass in grams of 10, 000, 000, 000 nitrogen molecules should be determined.

**Concept Introduction:**

Number of moles is equal to the ratio of given mass to the molar mass.

The mathematical expression is given by:

Number of moles =

Molar mass of the molecule is equal to the sum of the masses of atoms present in the molecule.

The one mole of any substance is equal to the Avogadro number i.e.

Interpretation Introduction

**(b)**

**Interpretation:**

The mass in grams of 2.49×10^{2}^{0} carbon dioxide molecules should be determined.

**Concept Introduction:**

Number of moles is equal to the ratio of given mass to the molar mass.

The mathematical expression is given by:

Number of moles =

Molar mass of the molecule is equal to the sum of the masses of atoms present in the molecule.

The one mole of any substance is equal to the Avogadro number i.e.

Interpretation Introduction

**(c)**

**Interpretation:**

The mass in grams of 7.0983 moles of sodium chloride should be determined.

**Concept Introduction:**

Number of moles is equal to the ratio of given mass to the molar mass.

The mathematical expression is given by:

Number of moles =

Molar mass of the molecule is equal to the sum of the masses of atoms present in the molecule.

The one mole of any substance is equal to the Avogadro number i.e.

Interpretation Introduction

**(d)**

**Interpretation:**

The mass in grams of

**Concept Introduction:**

Number of moles is equal to the ratio of given mass to the molar mass.

The mathematical expression is given by:

Number of moles =

Molar mass of the molecule is equal to the sum of the masses of atoms present in the molecule.

The one mole of any substance is equal to the Avogadro number i.e.