Mole concept, chemistry, Chemistry

what is mole
Posted Date: 3/12/2012 7:40:56 AM | Location : United States

The mole is a unit of dimension or measurement used in chemistry theory to calculate amounts of a chemical substance, defined as an amount of a substance which contains as many elementary entities (e.g., atoms, molecules, electrons, ions) as there are atoms in 12 grams of pure carbon-12 (12C), the isotope of carbon with atomic weight 12. This corresponds to a value of 6.02214179(30)×1023 elementary entities of the substance. This is one of the base units in the International System of Units ISU, and has the unit symbol mol.
Posted by Rima | Posted Date: 8/10/2012 9:54:49 PM
The mole is broadly used in chemistry, in its place of units of mass or volume, as a convenient way to express the amounts of reactants & products of chemical reactions.
Posted by Rima | Posted Date: 8/10/2012 9:56:13 PM

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