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Q:

What is called molar mass?

  • 1
    Ethanol
  • 2
    Mass expressed in grams of one mole of substance.
  • 3
    Hydrogen atom
  • 4
    Oxygen
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Answer : 2. "Mass expressed in grams of one mole of substance."
Explanation :

In chemistry, the molar mass of a chemical compound is equal to the ratio of the mass of a sample of that compound and the amount (in moles) of the substance present in that sample. Its SI unit is kilogram/mol. But gram/mol is its practical unit.

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