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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.
Section 11.3 Moles of a Compound
Section 11.4 Empirical and Molecular Formulas
Section 11.5 The Formula for a Hydrate
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