Question

what do you understand by them 1 mole ​

Answer 1

One mole is defined as the amount of substance containing as many elementary entities (atoms, molecules, ions, electrons, radicals, etc.) as there are atoms in 12 grams of carbon-12 (6.023 x 1023). The mass of one mole of a substance equals its relative molecular mass expressed in grams...

Answer 2

One mole is defined as the amount of substance containing as many elementary entities (atoms, molecules, ions, electrons, radicals, etc.) as thereare atoms in 12 grams of carbon-12 (6.023 x 1023). The mass of one moleof a substance equals its relative molecular mass expressed in grams