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Mole Day 2025 - October 23
October 28 , 2025
16 hrs 0 min
17
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- Mole Day is celebrated every year on October 23 from 6:02 a.m. to 6:02 p.m.
- It aims to honor Avogadro’s number, 6.022 × 10²³, and promote awareness of the mole concept in chemistry.
- Mole Day was founded in the 1980s by Maurice Oehler, a chemistry teacher in Wisconsin, USA.
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