What is molecular mass
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Molecular mass is a number equal to the sum of the atomic masses of the atoms in a molecule. It is measured in grams per mol (g/mol). The molecular mass of an element is usually found directly below the element on the periodic table
Here are a few examples:
Fe (iron) = 55.845 g/mol
HCl ( Hydrogen chloride) =36,46 g/mol
CH2CHOH ( ethenol) = 44.053 g/mol
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• The molecular mass of a substance is the sum of atomic masses of all atoms in a molecule of the substance.
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- It is expresses in atomic mass unit (u) .
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