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Question

What is the unit for molecular weight?


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Solution

Molecular weight.

  • The molecular weight is the mass of one mole of a substance.
  • The molecular weight of a pure compound is determined from its chemical formula and the atomic weights of its elements.
  • The mass of one carbon atom is equal to the atomic mass unit (formerly abbreviated as 'amu,' but now spelled as 'u' – unified mass) according to the latest IUPAC recommendation.

Unit of molecular weight.

  • Usually, the units used for this are grams per mole.

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