1. Two-Step Mole Conversions (1 Wheel) Two Wheel Conversions (Composition Stoichiometry) 3.3 The Wheel Model of Mole Conversions

2. Two-Step Mole Conversions (1 Wheel) text pages 124-125 3.3 The Wheel Model of Mole Conversions A quantity of a substance can only be related to another quantity of the same substance through the mole.

3. Two-Step Mole Conversions (1 Wheel) text pages 124-125 3.3 The Wheel Model of Mole Conversions e.g. 5.0 g Cu x 1 mol Cu x 6.02 x 10 23 atoms Cu = 4.7 x 10 22 atoms Cu 63.5 g Cu 1 mol Cu

4. Two Wheel Conversions text pages 126-128 3.3 The Wheel Model of Mole Conversions Composition stoichiometry is the branch of chemistry that deals with the quantitative relationships between elements in a compound. A quantity of a substance or species can only be related to a quantity of another substance or species through the mole.

5. Two Wheel Conversions text pages 126-128 3.3 The Wheel Model of Mole Conversions e.g. 5.0 g C 3 H 8 x 1 mol C 3 H 8 x 3 mol C x 6.02 x 10 23 atoms C = 2.1 x 10 23 atoms C 44 g C 3 H 8 1 mol C 3 H 8 1 mol C Propane C 3 H 8 Carbon C moles grams atoms molecules