What is mole
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Amar Kumar 8 years, 3 months ago
The mole is one of the base units of the SI, and has the unit symbol mol.The unit is defined as the amount of a chemical substance that contains as many representative particles, e.g., atoms, molecules, ions, electrons, or photons, as there are atoms in 12 grams of carbon-12 (12C), the isotope of carbon with standard atomic weight 12 by definition. This number is expressed by the Avogadro constant, which has a value of 6.022140857×1023 mol-1 .
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