Answer
The mass of 2 moles of neon atoms is 4.03 $\times$$10^{1}$ g
Work Step by Step
To solve this
=2 moles $\times$ $\frac{6.02\times10^{23}atoms}{1 mole}$ $\times$ $\frac{3.35\times10^{-23}g}{1 atom}$
= 40.3 g
= 4.03 $\times$$10^{1}$ g