# (a) Interpretation: The number of molecules of substance should be calculated. Concept Introduction: Number of moles is related to mass and molar mass as follows: n = m M Here, m is mass and M is molar mass. According to Avogadro’s law, 1 mole of a substance contains 6.023 × 10 23 atoms. This is known as Avogadro’s number and denoted by symbol N A . Thus, number of molecules can be calculated from number of moles using the following conversion factor: ( 6.023 × 10 23 molecules 1 mol ) .

### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425

### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425

#### Solutions

Chapter 8, Problem 39QAP
Interpretation Introduction

## (a)Interpretation:The number of molecules of substance should be calculated.Concept Introduction:Number of moles is related to mass and molar mass as follows:n=mMHere, m is mass and M is molar mass.According to Avogadro’s law, 1 mole of a substance contains 6.023×1023 atoms. This is known as Avogadro’s number and denoted by symbol NA.Thus, number of molecules can be calculated from number of moles using the following conversion factor:(6.023×1023 molecules1 mol).

Interpretation Introduction

### (b)Interpretation:The number of molecules of substance should be calculated.Concept Introduction:Number of moles is related to mass and molar mass as follows:n=mMHere, m is mass and M is molar mass.According to Avogadro’s law, 1 mole of a substance contains 6.023×1023 atoms. This is known as Avogadro’s number and denoted by symbol NA.Thus, number of molecules can be calculated from number of moles using the following conversion factor:(6.023×1023 molecules1 mol).

Interpretation Introduction

### (c)Interpretation:The number of molecules of substance should be calculated.Concept Introduction:Number of moles is related to mass and molar mass as follows:n=mMHere, m is mass and M is molar mass.According to Avogadro’s law, 1 mole of a substance contains 6.023×1023 atoms. This is known as Avogadro’s number and denoted by symbol NA.Thus, number of molecules can be calculated from number of moles using the following conversion factor:(6.023×1023 molecules1 mol).

Interpretation Introduction

### (d)Interpretation:The number of molecules of substance should be calculated.Concept Introduction:Number of moles is related to mass and molar mass as follows:n=mMHere, m is mass and M is molar mass.According to Avogadro’s law, 1 mole of a substance contains 6.023×1023 atoms. This is known as Avogadro’s number and denoted by symbol NA.Thus, number of molecules can be calculated from number of moles using the following conversion factor:(6.023×1023 molecules1 mol).

Interpretation Introduction

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