We are asked how many atoms are in 5.80 moles of He.

To find the number of atoms of He in 5.80 moles of He, we use the equation:

$\overline{){\mathbf{number}}{\mathbf{}}{\mathbf{of}}{\mathbf{}}{\mathbf{moles}}{\mathbf{}}{\mathbf{=}}\frac{\mathbf{}\mathbf{number}\mathbf{}\mathbf{of}\mathbf{}\mathbf{atoms}}{\mathbf{Avogadros}\mathbf{}\mathbf{number}}\mathbf{}}$

Where **Avogadros number = 6.02 x 10 ^{23 }particle or atoms /mole**

How many atoms are in 5.80 moles of He?

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