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How is a mole similar to a dozen?

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Last updated date: 22nd Mar 2024
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MVSAT 2024
Answer
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Hint: The number of atoms in one mole of any substance is equal to Avogadro’s Number i.e. $6.02\times 10^{23}$ atoms per mole. A mole is the quantity of any substance constituting the equivalent amount of fundamental units as the identical number of fundamental units in a pure sample of 12 C measuring accurately 12 g.


Complete step by step answer:
- A mole is a standard unit of measurement of an amount of a substance. Substances react in the simple ratios of their moles. One mole consists of Avogadro’s number of atoms i.e., $6.02\times 10^{23}$ atoms.
- The amount of atoms in 12.0 grams of Carbon; 12 is the same as Avogadro’s number as it is for 1 mole of carbon i.e. a sample of 12 grams of carbon is equal to its one mole. Therefore, it is similar to a dozen.

Additional Information : Mole in Latin specifies pile, heap or a collection. The amount of entities constituting one mole was experimentally found to be $6.02\times 10^{23}$, which is a constant and it is termed as Avogadro’s constant (NA) or Avogadro’s number. This constant is always represented in terms of per mole.

Note: The magnitude of an atom is very small and it cannot be counted. The uniqueness of each and every substance is not only defined by the different kinds of ions or atoms present in it, but it is also dependent on the number of ions or atoms present in that substance.
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