   # For each of the following unbalanced equations, indicate how many moles of the second reactant would he required to react exactly with 0.275 mole of the first reactant . State clearly the mole ratio used for the conversion. msp; Cl 2 ( g ) + KI ( a q ) → I 2 ( s ) + KCl ( a q ) msp; Co ( s ) + P 4 ( s ) → Co 3 P 2 ( s ) msp; Zn ( s ) + HNO 3 ( a q ) → ZnNO 3 ( a q ) + H 2 ( g ) msp; C 5 H 12 ( l ) + O 2 ( g ) → CO 2 ( g ) + H 2 O ( g ) ### 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 15QAP
Textbook Problem
123 views

## For each of the following unbalanced equations, indicate how many moles of the second reactant would he required to react exactly with 0.275 mole of the first reactant. State clearly the mole ratio used for the conversion.msp;  Cl 2 ( g ) + KI ( a q ) → I 2 ( s ) + KCl ( a q ) msp;  Co ( s ) + P 4 ( s ) → Co 3 P 2 ( s ) msp;  Zn ( s ) + HNO 3 ( a q ) → ZnNO 3 ( a q ) + H 2 ( g ) msp;  C 5 H 12 ( l ) + O 2 ( g ) → CO 2 ( g ) + H 2 O ( g )

Interpretation Introduction

(a)

Interpretation:

Number of moles of the second reactant required to react exactly with 0.275 mole of the first reactant in the given unbalanced chemical equation should be calculated.

Concept Introduction:

Balanced chemical equation shows us identities of reactants and products and how much reactants and products participate in the reaction. The coefficients in the balanced equation enable us to calculate how much product we can get from a given quantity of reactant or to get a definite amount of product, how much reactants we need. The ratio of these coefficients is the useful one, not the individual coefficient. This ratio is known as Mole ratio.

### Explanation of Solution

Balanced chemical equation

Cl2 (g)+ 2 KI(aq)      I2 (s) + 2 KCl(aq)

According to the balanced equation, mole ratio between Cl2 ( g ) and KI ( a q ) = 2 mol KI(aq)

Interpretation Introduction

(b)

Interpretation:

Number of moles of the second reactant required to react exactly with 0.275 mole of the first reactant in the given unbalanced chemical equation should be calculated.

Concept Introduction:

Balanced chemical equation shows us identities of reactants and products and how much reactants and products participate in the reaction. The coefficients in the balanced equation enable us to calculate how much product we can get from a given quantity of reactant or to get a definite amount of product, how much reactants we need. The ratio of these coefficients is the useful one, not the individual coefficient. This ratio is known as Mole ratio.

Interpretation Introduction

(c)

Interpretation:

Number of moles of the second reactant required to react exactly with 0.275 mole of the first reactant in the given unbalanced chemical equation should be calculated.

Concept Introduction:

Balanced chemical equation shows us identities of reactants and products and how much reactants and products participate in the reaction. The coefficients in the balanced equation enable us to calculate how much product we can get from a given quantity of reactant or to get a definite amount of product, how much reactants we need. The ratio of these coefficients is the useful one, not the individual coefficient. This ratio is known as Mole ratio.

Interpretation Introduction

(d)

Interpretation:

Number of moles of the second reactant required to react exactly with 0.275 mole of the first reactant in the given unbalanced chemical equation should be calculated.

Concept Introduction:

Balanced chemical equation shows us identities of reactants and products and how much reactants and products participate in the reaction. The coefficients in the balanced equation enable us to calculate how much product we can get from a given quantity of reactant or to get a definite amount of product, how much reactants we need. The ratio of these coefficients is the useful one, not the individual coefficient. This ratio is known as Mole ratio.

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