(n × b) × 6.022 × 10 23 atoms of element YĬonsider n moles of each of these compounds with the general formula XY 2. The mathematical equation, N = n × N A, can also be used to find the number of atoms of each element in a known amount (in moles) of a compound.įor a compound with the molecular formula X aY b: The mathematical equation, N = n × N A, can be used to find the number of atoms, ions or molecules in any amount (in moles) of atoms, ions or molecules:
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