what is formula mass ?what is its significance?
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The formula mass of a molecule (also known as formula weight) is the sum of the atomic weights of the atoms in the empirical formula of the compound. Formula weight is given in atomic mass units (amu).
The mass concept measures the quantity of matter existing in an object. The molar mass (M) is a physical property and it is defined as the mass of one mole of the chemical substance or it is a ratio of the mass of a chemical compound to its amount of chemical substance. ... The unit of molar mass is kg/mol.
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The formula of mass of molecule (also known as formula weight) in the sum of atomic weights of the atoms in the empirical formula of the compound. Formula weight is given in the atomic mass units (amu)
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