WEEK5 - Topic 7

Learning Outcomes 

1: Identify moles and molar mass and carry out calculations involving them

2: Calculate the percent composition

3: Determine empirical and molecular formulas

 

Key Concepts

1: The mole and molar mass of compounds

2: Percent composition of compounds

3: Empirical formula versus molecular formula

 

 

Mole, Molar Mass, Mass and Moles

Calculations involving Mass, Moles and Molar Mass

Mass percent, Empirical Formula

Atomic mass : amu (the relative mass of one atom)

Molecular mass : amu (the relative mass of one molecule)

Formula mass : amu (the relative mass of one unit of an ionic compound)

Molar mass : g/mol (the mass of one mole)