Question

Explain with examples what is
meant by a 'mole' of a substance.​

Answer 1

Answer:

The mole (symbol: mol) is the unit of measurement for amount of substance in the International System of Units (SI). A mole of a substance or a mole of particles is defined as exactly 6.02214076×1023 particles, which may be atoms, molecules, ions, or electrons.In short, for particles 1 mol = 6.02214076×1023.

OR

One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro's number or Avogadro's constant. The concept of the mole can be used to convert between mass and number of particles..

Explanation:

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Answer 2

Answer:

A mole corresponding to the mass of substance that contains 6.023 × 10 ^23 particles of the substance. The mole is the SI unit for the amount of a substance. It's symbol is mol. By definition : 1 mol of carbon - 12 has a mass of 12 gram and contains 6.022140857 ×10^23 of carbon atoms (to 10 significant figures).

Explanation:

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