A Dalton is similar to g/mol but is used for more precise measurements of atoms and subatomic particles in chemistry and physics. This numerical value is known as Avogadro’s number.Īnother unit often used to describe molecular weight or molar mass is the Dalton (Da). One mole is equal to 6.02214076 × 10 23 elementary entities, such as atoms, molecules, electrons, or ions. The atomic mass is the mass of 1 mol of an atom – so if you add up the atomic masses of all the atoms in the compound, the sum is the molar mass or molecular weight of that compound expressed in g/mol.Ī mole is used as a standard measurement for a very large quantity of very small units of matter. Molar mass, sometimes referred to as molecular weight or molecular mass, is equal to the sum of the atomic masses of each element in the compound.
Molar mass is the mass of a compound in grams per mole of a substance, and it’s expressed in g/mol.
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