The Mathematics of Reactions · Stoichiometry

The Mole Concept and Avogadro

Bridging the gap between the microscopic world of atoms and the macroscopic world of grams.

Key Questions

  1. 1Why is the mole a necessary unit for chemical calculations?
  2. 2How can we count atoms by weighing them?
  3. 3What is the relationship between molar mass and the physical density of a substance?

Common Core State Standards

HS-PS1-7
Grade: 12th Grade
Subject: Chemistry
Unit: The Mathematics of Reactions
Period: Stoichiometry

Suggested Methodologies

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