Organic Chemistry
Organic Chemistry
6th Edition
ISBN: 9781936221349
Author: Marc Loudon, Jim Parise
Publisher: W. H. Freeman
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Chapter 20, Problem 20.30AP
Interpretation Introduction

(a)

Interpretation:

The molecular mass of carboxylic acid which contains a single carboxylic acid group when 8.61mL of 0.1M NaOH solution is required for the neutralization of 100mg acid is to be calculated.

Concept introduction:

For one mole of a compound, the mass is found to be equivalent to its molar mass (g) or relative atomic mass. The moles are determined by dividing the compound mass by its molecular mass.

Molarity, the concentration of a solution is obtained when the solute moles are divided by the solution’s volume in L. Its unit is mol/L, which is expressed by M.

Interpretation Introduction

(b)

Interpretation:

The volume of aqueous sodium hydroxide which is required for the formation of disodium salt is to be calculated.

Concept introduction:

Molarity, the concentration of a solution is obtained when the solute moles are divided by the solution’s volume in L. Its unit is mol/L, which is expressed by M. The molarity of the solution is expressed by the formula shown below.

Molarity=MolesofsoluteV(L)ofsolution

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