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Moley, moley, mole…

Moley, moley, mole…. Objective: EVERY SWBAT perform stoichiometric conversions from mole to mass, from mass to mass Catalyst: How is a mole similar to a dozen? What contains more atoms, 1 mole of silver atoms, or 1 mole of gold atoms? What is the molar mass of sulfuric acid (H 2 SO 4 )?.

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Moley, moley, mole…

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  1. Moley, moley, mole… • Objective: • EVERY SWBAT performstoichiometric conversions from mole to mass, from mass to mass • Catalyst: • How is a mole similar to a dozen? • What contains more atoms, 1 mole of silver atoms, or 1 mole of gold atoms? • What is the molar mass of sulfuric acid (H2SO4)?

  2. Agenda • Catalyst • Atom Conversions (20min) • Mass Conversions (20min) • Little bit of both • Exit Question

  3. Mole to atoms • What conversion factor is needed to go from moles to number of particles (molecules/atoms)? ____mol Y = ___Particles of Y • What conversion factor is needed to go from number of particles to moles? _____particles of Y = _____ mol Y

  4. Practice • You have 13 min to do the following problems. Your goal is to make sure that EVERY group member can set up the following problems on their own. • I will be walking around quizzing members of each group on how to make the correct conversion factors • Pg 311, number 1 and 3 • Pg 312 number 4

  5. Mass - Mole • Problems involving mass (grams) use the molar mass as a conversion factor. • What is the conversion factor to go from grams to moles? ____g Y = ____moles Y • What is the conversion factor to go from moles to grams? ___moles Y = ____grams Y

  6. Practice • You have 13 min to do the following problems. Your goal is to make sure that EVERY group member can set up the following problems on their own. • I will be walking around quizzing members of each group on how to make the correct conversion factors • Front of mole-gram worksheet

  7. A little bit of both • Problems involving mass (Grams) and number of particles (atoms/molecules) need to use 2 conversion factors ___g Y =___atoms Y ___atoms Y =___g Y

  8. Practice • You have 13 min to do the following problems. Your goal is to make sure that EVERY group member can set up the following problems on their own. • I will be walking around quizzing members of each group on how to make the correct conversion factors • Gram-atoms worksheet • When everybody in your group can complete the problems, finish the worksheet from yesterday

  9. Exit Question • How many moles are in 34 grams of NaCl? • How many atoms are in 3 moles of NaCl? • How many atoms are in 13 grams of aluminum?

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