1.

Number of particles present in one mole of substance is called its​

Answer»

Answer:

Avogadro number.

Explanation:

The word mole was coined by Wilhelm OSTWALD from a Latin word moles meaning HEAP or piles. ONE mole of molecule or ion refers to the quantity in number possessing a mass equal to its atomic or molecular mass in GRAMS. Number of particles present in one mole of any substance is 6.022 X 10 23. This value is called Avogadro number.



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