Slide 1 Slide 2 Slide 3 Greek for “measuring elements” The calculations of quantities in chemical reactions based on a balanced equation. Slide 4 Mole to Mole conversions…

Slide 1 Atoms: The building blocks of Matter Counting Atoms Slide 2 Atomic Number The number of protons in the nucleus of each atom Identifies element Periodic table –…

Slide 1 CHAPTER 3B Stoichiometry Slide 2 Counting Atoms Amu – atomic mass unit 1 amu = 1.66 x 10 -24 g Ex. 1 carbon atom = 12 amu 1 Fe atom = 55.85 amu 1 Na atom = ???…

Slide 1 T HE M OLE The Chemist’s Package Slide 2 H OW DO WE GROUP THINGS ? Pairs, Dozen, ??? Chemists group chemicals into moles. A mole of any chemical is the same amount.…

THE MOLE Return to dimensional analysis THE MOLE What is a mole? Not a furry animal that burrows in the ground What it is? . . . A unit of measure that tells how much of…

Chapter 10: The Mole CHEMISTRY Matter and Change Section 10.1 Measuring Matter Section 10.2 Mass and the Mole Section 10.3 Moles of Compounds Section 10.4 Empirical and Molecular…

THE MOLE AND MOLE CONVERSIONS A mole is a counting unit. Just like: eggs equals a dozen eggs pencils equals one gross of pencils seconds equals one minute 500 sheets of paper…

The Mole Chemistry 6.0 The Mole I. Formulas & Chemical Measurements A. Atomic Mass 1. Definition: the mass of an atom, based on a C-12 atom, in atomic mass units, amu.…

Mass, the Mole, and Avogadro’s Number (Molar Mass) The Mass of a Mole C-12 Basis Atomic masses are based on the mass of a C-12 atom. Molar masses are based on the mass…

Catalyst How many atoms are in 2.4 moles of Barium chloride? How many atoms are in 34 grams of Neon? Mg + Br2  MgBr If you have 3 moles of magnesium, how many moles of…