What is the difference between molar mass and molecular mass ? Explain

1.	What is the difference between molar mass and molecular mass ? Explain with example.
Answer» \tMOLAR MASSMOLECULAR MASSRefers to mass of a mole of a substanceRefers to the mass of moleculesAlso known as molecular weightIt determines the mass of single moleculeSI unit is g/mol to use in higher calculationsMeasured in amuIt is defined as the mass of Avogadro number of atoms/molecules or compoundsNo particular melting pointMeasurement given to compounds, atoms or moleculesDetermined only in moleculesLess accurate than molecular massAccurate to use in higher calculationsExample: Mass of 1 mole of oxygen is 15.9994 grams. Therefore the molar mass = 15.9994 g/molExample:Molecular mass of Ca(OH)2 = 74 atomic mass units\t

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