Section 1
Molecular Picture of a Gas
What is the mass of a single carbon atom?
How many oxygen atoms are in $1.0 \mathrm{g}$ of water?
Find the mass of a molecule of carbon dioxide.
Estimate the number of atoms in your body.
You have 6.0 moles of particles of an unknown (pure) substance with a mass of 240 g. What might the substance be?