Instructional Video

Calculating Empirical and Molecular Formula: What Is a Mass Spectrometer?

Curated and Reviewed by Lesson Planet

What's the formula for success? A unique and well-written resource from JFR Science explains empirical and molecular formulas. Young chemists learn the steps and skills required to determine the formulas from percent composition and molar mass.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Cover empirical and molecular formulas together to reinforce their relationship
  • Show the class what happens inside a mass spectrometer using a short video
Classroom Considerations
  • Learners must be fluent in percent composition
  • This video is hosted on YouTube
Pros
  • The comparison and explanations of molecular and empirical formulas are clear and extremely helpful
  • Illustrations help show pupils how to set up the problems
Cons
  • None
Common Core