Question

What is the amount of substance in chemistry? And what is a mole?

Answer 1

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✍️What is the amount of substance in chemistry?

➡️In chemistry, the amount of substance in a given sample of matter is the number of discrete atomic-scale particles in it; where the particles may be molecules, atoms, ions, electrons, or other, depending on the context.

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✍️What is a mole?

➡️The mole is the unit of amount in chemistry.The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C. Fundamental units may be atoms, molecules, or formula units, depending on the substance concerned.

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Answer 2

Answer:

In chemistry, the amount of substance in a given sample of matter is the number of discrete atomic-scale particles in it divided by the Avogadro constant. ... The mole (symbol "mol") is a unit of the International System of Units defined (since 2019) by fixing the Avogadro constant at the given value