Avogadro's constant

The video tutorial explains Avogadro's constant, which is 6.022 x 10^23, representing the number of particles in one mole of any pure substance. It provides examples using gold, carbon, and water, each containing the same number of atoms or molecules. The tutorial highlights the importance of Avogadro's constant in chemistry, as it helps chemists calculate the exact quantities of chemicals needed for reactions.

What is the numerical value of Avogadro's constant?

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Explain how Avogadro's constant helps chemists in calculating chemical quantities.

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