Certain discoveries impact understanding and further research; Avogadro’s number is one such. Avogadro number is 6.02 X 1023. Mole Day is observed every year on October 23 from 6:02 a.m. to 6:02 p.m. Mole Day was created as a way to foster interest in chemistry in schools across the world.  The credit for observation of the Mole Day goes to the educator Margaret Christoph. Mole Day observation forms part of the national chemistry week.
Certain discoveries impact understanding and further research; Avogadro’s number is one such. It says that for a given element or molecule, one mole of any substance contains an Avogadro number of molecules or atoms of that substance.
Avogadro number is 6.02 X 1023. One mole is equal to the molar mass of the molecule/atom. Water’s molar mass is 18; hence, one mole weighs 18 grams. It was first discovered by Amedeo Avogadro, an Italian Scientist who lived from 1776-1858. Amedeo Avogadro is known for his research on gas laws, among other things. Mole Day is observed every year on October 23 from 6:02 a.m. to 6:02 p.m. Mole Day commemorates Avogadro’s Number (6.02 x 10²³). Mole Day was created as a way to foster interest in chemistry in schools across the world.
The Mole Day is observed to commemorate the postulation of Avogadro’s number. It is not about animals, which are called moles. Moles are small mammals with cylindrical bodies, velvety fur, inconspicuous eyes and ears. They have reduced hindlimbs and short, powerful forelimbs with large paws adapted for digging. Their appearance gives the connotation of them being funny animals.
The credit for observation of the Mole Day goes to the educator Margaret Christoph. It started with sharing her experiences in The Science Teacher in the 1980s. This led to Maurice Oehler, a high school chemistry teacher from Prairie du Chien, Wisconsin, founding the National Mole Day Foundation (NMDF) in 1991. The foundation spearheads the observation of the mole day. Mole Day observation forms part of the national chemistry week.
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