# What is the mass of  2.70\times 10^22 tungsten atoms?

Well we know that $6.022 \times {10}^{23}$ tungsten atoms have a mass of $183.8 \cdot g$.
"Mass of metal"=(2.70xx10^22*"tungsten atoms")/(6.022xx10^23*"tungsten atoms"*mol^-1)xx183.8*g*mol^-1=??*g