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[-] witty_username@feddit.nl 27 points 4 months ago

It's Avogadro's constant. The number of carbon atoms in 12 grams of carbon.
https://en.m.wikipedia.org/wiki/Avogadro_constant

[-] acetanilide@lemmy.world 2 points 4 months ago

Wait. They redefined it in 2019 but I thought that "new" way was what I did in school 🤔

[-] marcos@lemmy.world 5 points 4 months ago

They changed the definition, the value is the same (within the error of the best available measurement of the time).

[-] DontRedditMyLemmy@lemmy.world 1 points 4 months ago

Isn't it the number of atoms of ANY element for it's element in number of grams?

this post was submitted on 01 Jun 2024
478 points (99.6% liked)

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