Stoichiometry PowerPoint

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Masses Involved • What will be the mass of 6 mol of H 2 ? • 6 mol (2.0g/mol) = 12g H 2 • According to our picture, for every 4g of H 2 , 32g of O 2 are required. We need 3 times as much oxygen: 3 x 32g = 96g O 2 needed. • The original reaction made 36g of water, so starting with 6g of hydrogen makes 108g H 2 O (3 times as much.)
Solving <strong>Stoichiometry</strong> Problems • The heart of every stoichiometry problem is the ratio of moles from the balanced equation. • The number of moles of any material in the problem determines how many moles of everything else there will be.
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: Mole Ratio • Three times as much
Page 23 and 24: Solving Stoichiometry Problems •
Page 25 and 26: 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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