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Question

What is the value of Avogadro's number?


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Solution

Avogadro number:

  • It is the number of atoms, molecules, and ions in one gram of atom of an element, one gram molecule of a compound, and one gram ion of a substance respectively.

Representation of Avogadro number:

  • Avogadro number is represented by the symbol “NA”.

Value of Avogadro number:

  • Its SI unit is the reciprocal of the mole and its value is NA=6.022×1023mol-1, named after the Italian scientist Amedeo Avogadro.
  • This is called the Avogadro constant (or number).

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