this post was submitted on 01 Jun 2024
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submitted 1 month ago by [email protected] to c/[email protected]
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[โ€“] [email protected] 27 points 1 month ago (2 children)

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

[โ€“] acetanilide 2 points 1 month ago (1 children)

Wait. They redefined it in 2019 but I thought that "new" way was what I did in school ๐Ÿค”

[โ€“] marcos 5 points 1 month ago

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

[โ€“] DontRedditMyLemmy 1 points 1 month ago

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