Avogadro's law states that in each mole of a substance, there are [tex]6.022 \times 10^{23}[/tex] particles.
This means that 15000 atoms is equal to [tex]\frac{15000}{6.022 \times 10^{23}}=\boxed{2.4909 \times 10^{-20} \text{ moles (to 5 sf)}}[/tex]
There are 2.49 × [tex]10^{-20}[/tex] moles present in 15000 atoms of iron (Fe).
A mole is the quantity of a material that includes 6.023 x [tex]10^{23}[/tex] of that substance's components.
The smallest component of ordinary stuff that makes up a chemical element would be an atom.
Calculation of mole
It is known that 1 mole = 6.023 x [tex]10^{23}[/tex] particles.
So, the 1500 atoms will be equal to the = 1500 / 6.023 x [tex]10^{23}[/tex] = 2.49 × [tex]10^{-20}[/tex] moles .
Therefore, there are 2.49 × [tex]10^{-20}[/tex] moles present in 15000 atoms of iron (Fe).
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