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moleday
Wake up! it's #MoleDay! This year's theme: Moley Potter! Equal to 6.02 x 10^23, the mole is the SI unit of amount of substance & is a handy way to talk about huge numbers of tiny things like atoms & molecules. Check out https://t.co/0Wy1ZetGc9 for more mole! @nationalmoleday
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