Question

define moles ,how does it related to mass​

Answer 1

Answer

»The mole is the unit of amount in chemistry. A mole of a substance is defined as: The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C.

»Fundamental units may be atoms, molecules, or formula units, depending on the substance concerned.

hope it helps....

Answer 2

Answer:

The mole is the unit of amount in chemistry. ... A mole of a substance is defined as: The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C. Fundamental units may be atoms, molecules, or formula units, depending on the substance concerned.....