Question

what is mole? what is its unit? give definition of molar mass

Answer 1

The mole is defined as the amount of substance containing the same number of chemical units (atoms, molecules,… The number of atoms or other particles in a mole is the same for all substances.

Molar mass is also known as atomic mass
the molar mass M is a physical property defined as the mass of a given substance divided by the amount of substance. The base SI unit for molar mass is kg/mol.

Answer 2

Mole and its unit and definition of molar mass:

• The mole is described as the quantity of 'substance containing the same number of chemical units'.

• The unit which is used to measure it is gram per mole.

• As the 'mole is the unit' that is used in chemistry.  And it is represented as 'mol'.

• It is used to find the amount of substance containing the same number of atoms, molecules or ions in it.

• It helps us to compare the particles of a given substance and its mass.

• The molar mass is also known as the molecular mass is the sum of the masses of all the atoms present in a molecular compound.

• It is also known as atomic mass.

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