Mole Day 2109

Wednesday, 23 October 2109

Mole Day is a celebration of chemistry observed on 23 October, honouring Avogadro's number (6.02×10²³) and encouraging interest in science through educational activities and events.

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Frequently asked questions

When is Mole Day 2109?
Mole Day 2109 is on Wednesday, 23 October 2109.
What day of the week is Mole Day 2109?
It falls on Wednesday.
How is Mole Day calculated?
This event is observed every year on 23 October.