# Chemistry Examples

To find the mass of mole of look up the atomic mass of each element and multiply it by the number of atoms contained in each element in the molecule.

mass of mole of +

Fill in the atomic masses from the periodic table.

mass of mole of +

Remove parentheses.

mass of mole of

Add and to get .

mass of mole of

mass of mole of

One mole of any gas occupies at STP (standard temperature and pressure).

Density is mass over volume.

Factor out of .

Factor out of .

Separate fractions.

Divide by to get .

Write as a fraction with denominator .

Multiply and to get .