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How Big is a MOLE–How Do You Get Students to Comprehend Avogadro’s Number?

In 2019, one mole was officially defined as containing exactly 6.02214076 x 1023 elementary entities. However, despite this relatively short definition many students struggle with the concept of the mole, and how it relates to amount, mass, and concentration.

Share with us a video of your favorite explanation, analogy, or demonstration that shows how you teach students how big a mole is, and you and your fellow teachers can VOTE on the best video. Winners will receive up to $500! See the full rules here.
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