Happy Mole Day!

It’s mole day. The mole day site is down (try it later), but you can find out about it on Wikipedia.

Mole Day is an unofficial holiday celebrated among chemists in North America on October 23, between 6:02 AM and 6:02 PM[1], making the date 6:02 10/23 in the American style of writing dates. The time and date are derived from the Avogadro constant, which is approximately 6.02Ã?1023, defining the number of particles (atoms or molecules) in a mole, one of the seven base SI units.

Mole Day originated in an article in The Science Teacher in the early 1980s.[2] Inspired by this article, Maurice Oehler, now a retired high school chemistry teacher from Prairie du Chien, Wisconsin, founded the National Mole Day Foundation (NMDF) on May 15, 1991.[2]

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0 thoughts on “Happy Mole Day!

  1. How about 342 grams of sugar?
    I’m giving a quiz today on mole conversions. It’s totally coincidental. I’m sure my students would prefer celebrating some other way.
    Avogadro – guacamole is funny. I never thought of that (the guaca-mole part).

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