# How do you convert 3.01 x 23 atoms of silicon to moles of silicon?

Divide the given number by $\text{Avogadro's number, } 6.022 \times {10}^{23} m o {l}^{-} 1$.
So $\frac{3.01 \times {10}^{23}}{6.022 \times {10}^{23} m o {l}^{-} 1}$ is clearly 1/2 a mole of silicon atoms.