   # Calculate the molar mass of each of the following compounds: (a) Fe 2 O 3 , iron(III) oxide (b) BCI 3 , boron trichloride (c) C 6 H 8 O 6 , ascorbic acid (vitamin C) ### Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

#### Solutions

Chapter
Section ### Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
Chapter 2, Problem 69PS
Textbook Problem
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## Calculate the molar mass of each of the following compounds:(a) Fe2O3, iron(III) oxide(b) BCI3, boron trichloride(c) C6H8O6, ascorbic acid (vitamin C)

(a)

Interpretation Introduction

Interpretation:

For the given molecules, the molar masses are needed to be calculated.

Concept introduction:

• Molar mass of a molecule can be calculated from its molecular formula by taking the sum of atomic masses of all the elements present in it.

### Explanation of Solution

The molecular formula of iron (III) oxide is Fe2O3, so the molar mass of iron (III) oxide is,

2×55.845g(Fe)+

(b)

Interpretation Introduction

Interpretation:

For the given molecules, the molar masses are needed to be calculated.

Concept introduction:

• Molar mass of a molecule can be calculated from its molecular formula by taking the sum of atomic masses of all the elements present in it.

(c)

Interpretation Introduction

Interpretation:

For the given molecules, the molar masses are needed to be calculated.

Concept introduction:

• Molar mass of a molecule can be calculated from its molecular formula by taking the sum of atomic masses of all the elements present in it.

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