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The SI unit of Avogadro's constant is:

  1. mol
  2. gram
  3. pascal
  4. none of the above

Answer (Detailed Solution Below)

Option 4 : none of the above
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Detailed Solution

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The correct answer is option 4) i.e. none of the above

CONCEPT:

  • Avogadro's number: The number of units present in one mole of a given substance is called the Avogadro's number.
    • Avogadro's number (NA) is equal to 6.022140857 × 1023.
    • This number also called Avogadro's constant is equal to the number of atoms present in 12 grams of Carbon-12.
    • A mole is a fundamental unit of measure of the amount of a substance.
    • For atoms, the mass of Avogadro's number of particles is equal to their atomic mass in grams.
    • For molecules, the mass of Avogadro's number of particles is equal to their molecular mass in grams.

EXPLANATION:

  • The Avogadro's constant is a number with a value of 6.022140857 × 1023 and therefore, is dimensionless. 

Additional Information

  • mol is the SI unit of the amount of substance.
  • gram is a unit of mass.
  • Pascal is the SI unit for pressure.
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