Stoichiometry PowerPoint

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Understanding <strong>Stoichiometry</strong> • The trick to understanding stoichiometry is to realize that the ratio of the parts (atoms or molecules) is NOT the same as the ratio of the masses of the parts. In our example, reactant and product parts occur in a 2:1:2 ratio; 2 hydrogen molecules and 1 oxygen molecule make 2 water molecules.
Understanding <strong>Stoichiometry</strong> • However, the ratio of the masses is definitely NOT 2:1:2 because H and O atoms have very different masses. What is the mass ratio for this reaction? 1 1 1 1 16 16 1 1 1 1 16 16
Page 1 and 2: Stoichiometry Connecting Mathematic
Page 3: Understanding Stoichiometry • Hyd
Page 7 and 8: The Magic of Avogadro’s Number
Page 9 and 10: Conservation of Mass • All of the
Page 11 and 12: Mg + F 2 MgF 2 • Did your drawin
Page 13 and 14: 4 Al + 3 O 2 2 Al 2 O 3 • Partic
Page 15 and 16: Mass Ratios • Determining mass ra
Page 17 and 18: Now The Fun Begins • Once you kno
Page 19 and 20: Mole Ratio • Three times as much
Page 21 and 22: Solving Stoichiometry Problems •
Page 27 and 28: Examples • Let’s try a couple o
Page 29 and 30: Examples • If we start with 50.0g
Page 31 and 32: Curve Ball • Starting with the sa
Page 33 and 34: Try One on Your Own • Fe 2 O 3 +
Page 35 and 36: Simplify • As you become more pra

Stoichiometry PowerPoint

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