The following best describes the difference between molar mass and formula weight is a formula weight is the mass of one molecule or formula unit while molar mass is the mass of one mole of molecules or formula units.
A formula mass is the sum of all masses of atom present in empirical formula. molecular mass is the mass of one mole of molecule. formula weight base on empirical formula while molecular mass is depend on molecule.
Thus, The following best describes the difference between molar mass and formula weight is a formula weight is the mass of one molecule or formula unit while molar mass is the mass of one mole of molecules or formula units.
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