The Mole Concept

Key Concept Videos (coming soon)

Worked Example – M.R.S. 3 Step Method

How to solve most basic to intermediate Mole calculation questions using the 3 Step Method.

  1. M – Find Moles
  2. R – Apply mole Ratio
  3. S – Solve to find unknown


    Worked Example – Concentration Question

    Applying the 3 Step Method to solve concentration questions

    Worked Example – Excess & Limiting + % Yield

    In this video, you will learn how to determine which reactant is in excess and which is limiting.

    You will also learn how to calculate % yield, and how NOT to confuse this with % purity