Question

Define 'one mole ' of a substance ​

Answer 1

Answer:

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..

Answer 2

Answer:

A mole corresponds to the mass of a substance that contains 6.023 x 1023 particles of the substance.

The mole is the SI unit for the amount of a substance. Its symbol is mol.

1 mol of carbon-12 has a mass of 12 grams and contains 6.022140857 x 1023 of carbon atoms