Question

one mole contain _____ no. of atoms , molecules or ion of a​

Answer 1

Answer:

One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro's number or Avogadro's constant.

Answer 2

Answer:

A mole of a substance or a mole of particles is defined as exactly 6.02214076×1023 particles, which may be atoms, molecules, ions, or electrons. In short, for particles 1 mol = 6.02214076×1023.

Unit of: Amount of substance

SI base units: Base unit (Dimensionless)

Unit system: SI base unit

Explanation:

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