(a) Interpretation: To determine the empirical formula of a compound having 70.9% K and 29.1% S atom. Concept Introduction: Steps to obtain empirical formula from given % of elements: Assume the mass of compound be 100 g Write the mass of each element in 100 g of compound that must be equal to given percentage in grams. Divide mass of each element with their respective atomic mass in order to obtain the moles of each element. Divide the number of moles of each element with the smallest number of moles. Now, convert every number into a whole number by multiplying with an integer.

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Answer 1

Question

Chapter 7.5, Problem 7.45QAP

Interpretation Introduction

(a)

Interpretation:

To determine the empirical formula of a compound having 70.9% K and 29.1% S atom.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(b)

Interpretation:

To determine the empirical formula of a compound having 55.0% Ga and 45.0% F.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(c)

Interpretation:

To determine the empirical formula of a compound having 31% B and 69.0 % O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(d)

Interpretation:

To determine the empirical formula of a compound having 18.8% Li, 16.3% C, and 64.9% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(e)

Interpretation:

To determine the empirical formula of a compound having 51.7% C, 6.95 % H, and 41.3% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

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Answer 2

Question

Chapter 7.5, Problem 7.45QAP

Interpretation Introduction

(a)

Interpretation:

To determine the empirical formula of a compound having 70.9% K and 29.1% S atom.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(b)

Interpretation:

To determine the empirical formula of a compound having 55.0% Ga and 45.0% F.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(c)

Interpretation:

To determine the empirical formula of a compound having 31% B and 69.0 % O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(d)

Interpretation:

To determine the empirical formula of a compound having 18.8% Li, 16.3% C, and 64.9% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(e)

Interpretation:

To determine the empirical formula of a compound having 51.7% C, 6.95 % H, and 41.3% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

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Answer 3

Question

Chapter 7.5, Problem 7.45QAP

Interpretation Introduction

(a)

Interpretation:

To determine the empirical formula of a compound having 70.9% K and 29.1% S atom.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(b)

Interpretation:

To determine the empirical formula of a compound having 55.0% Ga and 45.0% F.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(c)

Interpretation:

To determine the empirical formula of a compound having 31% B and 69.0 % O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(d)

Interpretation:

To determine the empirical formula of a compound having 18.8% Li, 16.3% C, and 64.9% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(e)

Interpretation:

To determine the empirical formula of a compound having 51.7% C, 6.95 % H, and 41.3% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

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Answer 4

Question

Chapter 7.5, Problem 7.45QAP

Interpretation Introduction

(a)

Interpretation:

To determine the empirical formula of a compound having 70.9% K and 29.1% S atom.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(b)

Interpretation:

To determine the empirical formula of a compound having 55.0% Ga and 45.0% F.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(c)

Interpretation:

To determine the empirical formula of a compound having 31% B and 69.0 % O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(d)

Interpretation:

To determine the empirical formula of a compound having 18.8% Li, 16.3% C, and 64.9% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(e)

Interpretation:

To determine the empirical formula of a compound having 51.7% C, 6.95 % H, and 41.3% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

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See solution

Answer 5

Chapter 7.5, Problem 7.45QAP

Interpretation Introduction

(a)

Interpretation:

To determine the empirical formula of a compound having 70.9% K and 29.1% S atom.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(b)

Interpretation:

To determine the empirical formula of a compound having 55.0% Ga and 45.0% F.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(c)

Interpretation:

To determine the empirical formula of a compound having 31% B and 69.0 % O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(d)

Interpretation:

To determine the empirical formula of a compound having 18.8% Li, 16.3% C, and 64.9% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Interpretation Introduction

(e)

Interpretation:

To determine the empirical formula of a compound having 51.7% C, 6.95 % H, and 41.3% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 6

Chapter 7.5, Problem 7.45QAP

Interpretation Introduction

(a)

Interpretation:

To determine the empirical formula of a compound having 70.9% K and 29.1% S atom.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 7

Chapter 7.5, Problem 7.45QAP

Interpretation Introduction

(a)

Interpretation:

To determine the empirical formula of a compound having 70.9% K and 29.1% S atom.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 8

Interpretation Introduction

(b)

Interpretation:

To determine the empirical formula of a compound having 55.0% Ga and 45.0% F.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 9

Interpretation Introduction

(b)

Interpretation:

To determine the empirical formula of a compound having 55.0% Ga and 45.0% F.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 10

Interpretation Introduction

(c)

Interpretation:

To determine the empirical formula of a compound having 31% B and 69.0 % O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 11

Interpretation Introduction

(c)

Interpretation:

To determine the empirical formula of a compound having 31% B and 69.0 % O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 12

Interpretation Introduction

(d)

Interpretation:

To determine the empirical formula of a compound having 18.8% Li, 16.3% C, and 64.9% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 13

Interpretation Introduction

(d)

Interpretation:

To determine the empirical formula of a compound having 18.8% Li, 16.3% C, and 64.9% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 14

Interpretation Introduction

(e)

Interpretation:

To determine the empirical formula of a compound having 51.7% C, 6.95 % H, and 41.3% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 15

Interpretation Introduction

(e)

Interpretation:

To determine the empirical formula of a compound having 51.7% C, 6.95 % H, and 41.3% O atoms.

Concept Introduction:

Steps to obtain empirical formula from given % of elements:

Assume the mass of compound be 100 g

Write the mass of each element in 100 g of compound that must be equal to given percentage in grams.

Divide mass of each element with their respective atomic mass in order to obtain the moles of each element.

Divide the number of moles of each element with the smallest number of moles.

Now, convert every number into a whole number by multiplying with an integer.

Answer 16

Expert Solution & Answer

Answer 17

Expert Solution & Answer

Answer 18

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Answer 19

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