   # For each of the following unbalanced equations, calculate how many moles of the second reactant would be required to react completely with 0.413 moles of the first reactant. msp; Co ( s ) + F 2 ( g ) → CoF 3 ( s ) msp; Al ( s ) + H 2 SO 4 ( a q ) → Al 2 ( SO 4 ) 3 ( a q ) + H 2 ( g ) msp; K ( s ) + H 2 O ( l ) → KOH ( a q ) + H 2 ( g ) msp; Cu ( s ) + O 2 ( g ) → Cu 2 O ( s ) ### Introductory Chemistry: A Foundati...

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

#### Solutions

Chapter
Section ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425
Chapter 9, Problem 23QAP
Textbook Problem
5 views

## For each of the following unbalanced equations, calculate how many moles of the second reactant would be required to react completely with 0.413 moles of the first reactant.msp;  Co ( s ) + F 2 ( g ) → CoF 3 ( s ) msp;  Al ( s ) + H 2 SO 4 ( a q ) → Al 2 ( SO 4 ) 3 ( a q ) + H 2 ( g ) msp;  K ( s ) + H 2 O ( l ) → KOH ( a q ) + H 2 ( g ) msp;  Cu ( s ) + O 2 ( g ) → Cu 2 O ( s )

Interpretation Introduction

(a)

Interpretation:

The number of moles of F2 (g) required to completely react with 0.413 moles of Co(s) should be calculated.

Concept Introduction:

It is important to recognize that the coefficients in a balanced equation give the relative number of molecules.

Because atoms are not changed or destroyed in a chemical reaction one must always balance a chemical reaction. That is, one must choose the coefficients that gives the same number of each type of atoms on both sides, using the smallest set of integers.

### Explanation of Solution

2Co(s) + 3F2(g)2CoF3(s)According to the stoichiometry of the equation above2 mol Co(s)reacts with3 mol F2(g)Amount of

Interpretation Introduction

(b)

Interpretation:

The number of moles of H2 SO4 (aq) required to completely react with 0.413 moles of Al(s) should be calculated.

Concept Introduction:

It is important to recognize that the coefficients in a balanced equation give the relative number of molecules.

Because atoms are not changed or destroyed in a chemical reaction one must always balance a chemical reaction. That is, one must choose the coefficients that gives the same number of each type of atoms on both sides, using the smallest set of integers.

Interpretation Introduction

(c)

Interpretation:

The number of moles of H2 O(l) required to completely react with 0.413 moles of K(s) should be calculated.

Concept Introduction:

It is important to recognize that the coefficients in a balanced equation give the relative number of molecules.

Because atoms are not changed or destroyed in a chemical reaction one must always balance a chemical reaction. That is, one must choose the coefficients that gives the same number of each type of atoms on both sides, using the smallest set of integers.

Interpretation Introduction

(d)

Interpretation:

The number of moles of O2 (g) required to completely react with 0.413 moles of Cu(s) should be calculated.

Concept Introduction:

It is important to recognize that the coefficients in a balanced equation give the relative number of molecules.

Because atoms are not changed or destroyed in a chemical reaction one must always balance a chemical reaction. That is, one must choose the coefficients that gives the same number of each type of atoms on both sides, using the smallest set of integers.

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