Question

Can avogadro constant be different for different substances? 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.

Explanation:

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Answer 2

No, the Avogadro number must be constant for every substance.

1) Basically Avogadro number is the nothing it is just the number of atoms, molecules, or ions present in one mole of any substance. Which is constant for every substance in chemistry.

The numerical unit of the Avogadro number is  6.022 × 10²³ units.

2) We have so many atoms in the substance so to reduce the complexity of the situation the scientist used the Avogadro number which holds the numbers of the atoms in a single unit. Which is constant for all substances.