Chapter 3, Problem 3.3P

Interpretation Introduction

Interpretation:

The reason for the uncertainty in the expression “$\text{1 mol}$ of chlorine” and the changes to remove this uncertainty is to be explained. The other elements that show similar confusion to be determined.

Concept introduction:

The SI unit for amount of substance is $\text{mol}$. One mole is defined as the amount of substance that contains the same number of entities such as molecules, ions, atoms as the number of atoms in $12\text{ g}$ of $\text{C-12}$. This number is called Avogadro’s number. The value of Avogadro’s number is $\text{6}\text{.023}\times {\text{10}}^{23}\left(\text{entitites/mol}\right)$.