Chapter 3, Problem 3.111CP

Summary Introduction

To determine:

The number of atoms of platinum present in one troy ounce.

Introduction:

One mole of the element is defined as the number of atoms of the element present in the given mass of the element. The number of atoms of the element present in one mole is equal, which is known as the Avogadro number, having the value $6.023\times {10}^{23}\text{atoms/mol}$.