Objectives:


Lesson 1:

At the end of the lesson, students should be able to
1 define and distinguish the terms relative atomic mass, relative molecular mass and relative formula masses, based on the 12C scale
2 calculate the percentage mass of an element in a compound when given appropriate information

Lesson 2:

At the end of the lesson, students should be able to
1 define the term mole in terms of the Avogadro constant.
2 define molar mass.
3 determine the no of moles from the given mass and the molar mass of any substances.