Avogadro's number: a Is constant irrespective of the mass of the gases b Varies according to the mass of the gases c Varies according to the pressure on the gases d All of the above
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Avogadro's number, approximately \(6.022 \times 10^{23}\), represents the number of atoms, molecules, or particles in one mole of a substance. This constant is fundamental in chemistry and allows for the conversion between the mass of a substance and the number of molecules, regardless of the gas type or condition—making it a universal key in the world of moles. In the real world, Avogadro's number is crucial for stoichiometry in chemical reactions. For instance, in balancing equations and calculating yields, using this number enables chemists to predict how much of a reactant is needed to produce a certain amount of product. This makes it an indispensable tool for anyone working in laboratories or industries that rely on chemical processes.
