Short Note
What is meant by the ‘molar mass’ of a substance ? State the unit in which molar mass is usually expressed.
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Solution
Molar mass of a substance (molecular compound) is the mass in grams, numerically equivalent to the sum of atomic masses of individual atoms in the molecular formula of that substance.
Molar mass of a substance is usually expressed as grams/mole.
Concept: Molecular Mass
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