empirical formula

The Empirical Formula of Magnesium Oxide Lab: A Successful Failure, Next Steps—and an Important Lesson

Michael Jansen | Mon, 08/16/2021 - 16:01

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Michael Jansen reflects on a very common empirical formula lab that asks students to determine the empirical formula of Mg_xO_y. He then explains how he continues to use it as a "successful failure", how he demonstrates an alternate procedure and leads his students to an important lesson.

Mole Unit Mini-Practicums

Lauren Stewart | Thu, 02/07/2019 - 17:59

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We all know how fundamental the mole concept is for stoichiometry. This year I brainstormed ways to really make it stick. I decided to do multiple mini-practicums, one for each learning target of the mole unit. I am sharing brief descriptions of the mini-practicums I did for each learning target.