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chemical formula
... • The formula mass of any molecule, formula unit, or ion is the sum of the average atomic masses of all atoms represented in its formula. – example: formula mass of water, H2O average atomic mass of H: 1.01 amu average atomic mass of O: 16.00 amu average mass of H2O molecule: 18.02 amu ...
... • The formula mass of any molecule, formula unit, or ion is the sum of the average atomic masses of all atoms represented in its formula. – example: formula mass of water, H2O average atomic mass of H: 1.01 amu average atomic mass of O: 16.00 amu average mass of H2O molecule: 18.02 amu ...
