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World 3 · Balancing & Stoichiometry · 7 min · PRO

Molar mass

Grams per mole

PRO · Chemistry Lab

World 3: Balancing & Stoichiometry is part of PRO

The first world of Chemistry Lab is free. PRO opens the other 39 lessons in 5 worlds — simulations, quizzes and all.

  • Conservation of mass
  • Balancing equations
  • Balancing practice
  • The mole
  • Mole ratios
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