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Chapter 11: The Mole

11.1 Measuring Matter
counting particles, Avogadro’s Number 6.02 x 1023, mole,
mole ↔ particle equations
# moles x 6.022 x 1023 particles/mole = # of particles
# particles x 1 mole / 6.022 x 1023 particles = # of moles

11.2 Mass and the Mole
mass of a mole, molar mass,

mass ↔ mole equations
# of moles x # of grams / mole = # of grams
mass (in grams) / molar mass (grams / mole) = # of moles

11.3 Moles of Compounds
chem formulas & mole, molar mass of compounds,
mole ↔ mass of compound
mass ↔ particles (molecules) of compound

11.4 Empirical and Molecular Formulas
Percent composition of compound, empirical formula, determining molecular formula
% by Mass = Mass of Element / Mass of Compound x 100

11.5 Formula of a Hydrate
Naming hydrates Na2CO3 · 10 H2O is a decahydrate (10 waters per molecule) Empirical formula, molecular formula Molecular formula = (empirical formula subscripts) n

  Homework
Section 11.1 Measuring Matter
  1. 3/2/2020 p312 4-8 (5 pts)
Section 11.2 Mass and the Mole
  1. 3/3/2020 MCN p313-315 (3 titles, 2/3 page) (2 pts)
    p316 11(abcd) & 12(abcd) (3 pts)
  2. 3/5/2020 Complete the questions we started on Wed 3/4/2020. Do not give them to your sub tomorrow. You will turn these in on Monday 3/9 - Be sure to show given, find, and your calculation using unit cancellation.
  3. 3/31/2020 p316 12 (a,b,c,d) (this is not new. It was originally for Monday and due today. It has been changed to tuesday (today), and now it is for today and due Wed
Section 11.3 Moles of a Compound
  1. 4/13/2020 How to Calc molar mass of molecules (2 or more kinds of atoms), by Tyler DeWitt - Edpuzzle. When you finish, your results will be totaled and posted to GC automatically.
  2. 4/30/2020 p 322 23 (5 calculations), 26 (5 calculations), ten in all. You must use my format to get credit for your calculations.
Section 11.4 Empirical and Molecular Formulas
Section 11.5 The Formula for a Hydrate
  1. 5/13/2020 LINK - Mr. Wigger explains clear method for how to solve Formula of a Hydrate Problems, then uses #64 as an example.
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