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What is difference between molecular & …

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What is difference between molecular & moler mass
  • 1 answers

Yogita Ingle 4 years, 8 months ago

MOLAR MASS

MOLECULAR MASS

Refers to mass of a mole of a substance

Refers to the mass of molecules

Also known as molecular weight

It determines the mass of single molecule

SI unit is g/mol to use in higher calculations

Measured in amu

It is defined as the mass of Avogadro number of atoms/molecules or compounds

No particular melting point

Measurement given to compounds, atoms or molecules

Determined only in molecules

Less accurate than molecular mass

Accurate to use in higher calculations

Example: Mass of 1 mole of oxygen is 15.9994 grams. Therefore the molar mass = 15.9994 g/mol

Example:

Molecular mass of Ca(OH)2 = 74 atomic mass units

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