(a) Interpretation: The empirical and the molecular formulas of the given compound are to be stated. Concept introduction: The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula. In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Question

Calculate the molecular (formula) mass of each compound:(a) iron(II) acetate tetrahydrate; (b) sulfur tetrachloride; (c)potassium permanganate.

Answer 1

Question

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

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Answer 2

Question

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

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Answer 3

Question

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

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Answer 4

Question

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

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Answer 5

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 6

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 7

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 14

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Answer 25

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Chapter 7 Solutions