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What is the difference between molecular mass and molar mass?

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Molecular mass is defined as the sum of masses of the atoms present in the molecule.  It is the mass of one molecule of the compound or element.

Molar mass is defined as the mass of 1 mole of the element or compound.  One mole of any substance contains 6.0225 * 10²³ molecules.  One mole of Hâ‚‚ O weighs 18 gms.

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Sumit Saini

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