Hey @khanacademy you might want to look into your definition of the mole in your chemistry videos, it has been changed quite some time ago.
Confirming our science team are working on updates to our chemistry course, so stay tuned!
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uuuuuh does that mean I get the fancy badge? Might be actually one I have that
@Fittiboy doesnt :PThanks. Twitter will use this to make your timeline better. UndoUndo
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