Question

can 'Avogadro constant ' be different substance ? explain.​

Answer 1

Answer: However, in its 26th Conference, the BIPM adopted a different approach: effective 20 May 2019, it defined the Avogadro number as the exact value N = 6.02214076×1023, and redefined the mole as the amount of a substance under consideration that contains N constituent particles of the substance.

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Answer 2

Explanation:

For a crystaline substance, it similarly relates its molar volume (in mL/mol), the volume of the repeating unit cell of the crystals (in mL), and the number of molecules in that cell. The Avogadro number (or constant) has been defined in many different ways through its long history.