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The Avogadro's number determines how many items make up a particular unit, such that 1 mole of a substance contains 6.022 × 10^23 items.
These items may be particles such as molecules, atoms, ions , etc
Therefore, 1 mole of anything has 6.022×10^23 items.
This number is called the Avogadro's constant and applies to all substances, and is normally used by researchers and scientists to determine the number of moles of elements and compounds.
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The Avogadro's number is what determines the number of items that

make up  a particular unit.

It is a proportionality factor which was named after the Italian scientist known as Amedeo Avogadro.

The Avogadro's number helps to determine the number of items in an

atom, molecule or ion.

Avogadro's number = 1 mole of a substance containing 6.022 × 10²³ items.

Avogadro's number depends on the nature of the substance and the

character of the reaction if present.

Read more on https://brainly.com/question/23845309

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