The Molecular formula of thiophene has to be determined. Concept introduction: Empirical formula: The simplest ratio of the elements that are present in a molecule are representing as empirical formula. Molecular formula: The actual ratio of the elements that are present in a molecule is representing as molecular formula. Multiplies of empirical formula is also known as molecular formula. The ratio of molecular weight of the compound to empirical formula weight of the compound to give an integer, which is multiplied with empirical formula to give a molecular formula. Integer n = Molecular weight Empirical formula weight Mole: Number of atoms present in gram atomic mass of element is known as Avogadro number. Avogadro number is 6.022136 × 10 23 One mole equal of atom equal to Avogadro number ( 6.022136 × 10 23 ) hence, 1 mole of Iron contain atom 6.022136 × 10 23 Fe atoms. The mole of taken gram mass of compound is given by ratio of given mass of compound to molar mass of compound. Mole = Mass Molar mass

BuyFind

General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
Publisher: Cengage Learning
ISBN: 9781305580343
BuyFind

General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
Publisher: Cengage Learning
ISBN: 9781305580343

Solutions

Chapter 3, Problem 3.103QP
Interpretation Introduction

Interpretation:

The Molecular formula of thiophene has to be determined.

Concept introduction:

Empirical formula:

The simplest ratio of the elements that are present in a molecule are representing as empirical formula.

Molecular formula:

The actual ratio of the elements that are present in a molecule is representing as molecular formula.

Multiplies of empirical formula is also known as molecular formula.

The ratio of molecular weight of the compound to empirical formula weight of the compound to give an integer, which is multiplied with empirical formula to give a molecular formula.

Integern=Molecular weightEmpirical formula weight

Mole:

Number of atoms present in gram atomic mass of element is known as Avogadro number.

Avogadro number is 6.022136×1023

One mole equal of atom equal to Avogadro number (6.022136×1023) hence, 1 mole of Iron contain atom 6.022136×1023 Fe atoms.

The mole of taken gram mass of compound is given by ratio of given mass of compound to molar mass of compound.

Mole=MassMolarmass

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