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, ions, 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). Formula: Moles = Mass (g) / Molar Mass (g/mol).

Front

What is Avogadro's number?

Back

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

Front

How do you find the number of atoms in a given mass of an element?

Back

To find the number of atoms, first convert the mass to moles using the molar mass, then multiply the number of moles by Avogadro's number.

Front

What is the molar mass of carbon (C)?

Back

The molar mass of carbon is approximately 12.01 g/mol.

Front

How many moles are in 12 grams of carbon?

Back

There are 1 mole of carbon in 12 grams, since the molar mass of carbon is 12.01 g/mol.

Front

How do you convert moles to molecules?

Back

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

Front

What is the molar mass of sodium chloride (NaCl)?

Back

The molar mass of sodium chloride is approximately 58.44 g/mol.

Front

How many molecules are in 1 mole of any substance?

Back

There are 6.02 x 10^23 molecules in 1 mole of any substance.

Front

How do you calculate the mass of a substance from moles?

Back

To calculate mass from moles, multiply the number of moles by the molar mass of the substance. Formula: Mass (g) = Moles x Molar Mass (g/mol).