Relationship of mole to amu. Is mole same thing as amu?
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amu is the atomic mass unit. It is a small unit of mass used to express atomic masses and molecular masses. It is defined to be 1/12 of the mass of one atom of carbon-12.
1 amu = 1/Na (gram)
where Na is the Avogadro number.
Mole is defined as the amount of pure substance containing the same number of chemical units as there are atoms in exactly 12 grams of carbon-12 (i.e., 6.023 X 10^23).
So 1 mole will have Na(6.023 X 10^23) atoms
Therefore mole is completely different from amu. Amu has the unit of mass whereas mole is defined completely on its own.
1 mole contains 6.023 X 10^23 atoms, while each atom has a mass=atomic mass*amu.