Stoichiometry PowerPoint

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Curve Ball • The last step is just a little different. • This time, we were not asked for grams of CO 2 , but for liters of gas. • We simply need to adjust the last calculation a little. Do you remember how many liters of gas at STP are in a mole? • 3.12 mol CO 2 x (22.4L/1 mol) = 69.9 L
Try One on Your Own • Fe 2 O 3 + 3 CO(g) 2 Fe + 3 CO 2 • How many grams of Fe 2 O 3 will be needed to make 10.0g of Fe? • 10.0g Fe (1 mol/55.8g) = 0.179 mol Fe • 0.179 mol Fe (1 mol Fe 2 O 3 /2 mol Fe) = 0.0895 mol Fe 2 O 3 • 0.0895 mol Fe 2 O 3 (159.6g/mol) = 14.3g Fe 2 O 3
Page 1 and 2: Stoichiometry Connecting Mathematic
Page 3 and 4: Understanding Stoichiometry • Hyd
Page 5 and 6: Understanding Stoichiometry • How
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: Curve Ball • Starting with the sa
Page 35 and 36: Simplify • As you become more pra

Stoichiometry PowerPoint

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