Question

what is the main meaning of mole concept​

Answer 1

Answer:

mole of a substance is defined to be the amount of the substance containing as many atoms, molecules, ions, electrons or other elementary entities as there are carbon atoms in 12 grams of 12C.

Explanation:

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Answer 2

Mole is the measurement in chemistry. It is used to express the amount of a chemical substance. One mole is defined as the amount of substance of a system which contains as many entities like, atoms, molecules and ions as there are atoms in 12 grams of carbon - 12". Avogadro number: The number of the particles present in one mole of any substance = 6.022x1023. This is called avogadro’s number or Avogadro’s constant. No. Of particles in 1 mole: 1 mole of hydrogen atoms represents 6.022 × 1023 hydrogen atoms. 1 mole of hydrogen molecules represents 6.022 × 1023 hydrogen molecules. 1 mole of water molecules represents 6.022 × 1023 water molecules.

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