Mole Conversions

Front

What is a mole?

Back

A mole is a unit of measurement in chemistry that represents 6.02 x 10^23 particles (atoms, molecules, etc.) of a substance.

Front

How do you convert grams to moles?

Back

To convert grams to moles, divide the mass of the substance (in grams) by its molar mass (in g/mol).

Front

What is the molar mass of water (H2O)?

Back

The molar mass of water is approximately 18.02 g/mol.

Front

How many moles are in 16.94g of water?

Back

0.9401 mol H2O.

Front

What is Avogadro's number?

Back

Avogadro's number is 6.02 x 10^23, which is the number of particles in one mole of a substance.

Front

How do you convert moles to atoms?

Back

To convert moles to atoms, multiply the number of moles by Avogadro's number (6.02 x 10^23).

Front

How many moles are in 3.01 x 10^22 atoms of magnesium?

Back

0.05 moles.

Front

What is the formula to convert moles to grams?

Back

To convert moles to grams, multiply the number of moles by the molar mass of the substance.

Front

How many atoms are in 6.00g of carbon?

Back

3.01 x 10^23 atoms C.

Front

What is the mass of 4.98 x 10^24 atoms of Zn?

Back

541 g.