Question

What is the mass, in grams, of a sample of 1.20 × 1022 atoms of mercury (Hg)? Show your work or explain the steps that you used to determine your answer.

Answer 1

\[1.20x10^{22} atoms Hg (\frac{1 mole Hg}{6.022x10^{23}atoms Hg})(\frac{200.59g Hg}{1 mole Hg})=4.0g Hg\]