Multiple Step Mole Conversions

Front

What is a mole?

Back

A mole is a unit of measurement in chemistry that represents 6.022 x 10^23 particles (atoms, molecules, ions, etc.).

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 diphosphorus pentaoxide (P2O5)?

Back

The molar mass of diphosphorus pentaoxide (P2O5) is approximately 142.0 g/mol.

Front

How do you convert molecules to moles?

Back

To convert molecules to moles, divide the number of molecules by Avogadro's number (6.022 x 10^23).

Front

What is Avogadro's number?

Back

Avogadro's number is 6.022 x 10^23, which is the number of particles in one mole of a substance.

Front

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

Back

To calculate the mass of a substance from moles, multiply the number of moles by the molar mass (in g/mol).

Front

What is the molar mass of carbon monoxide (CO)?

Back

The molar mass of carbon monoxide (CO) is approximately 28.01 g/mol.

Front

How do you find the mass of a certain number of atoms?

Back

To find the mass of a certain number of atoms, first convert atoms to moles, then multiply by the molar mass.

Front

What is the molar mass of zinc (Zn)?

Back

The molar mass of zinc (Zn) is approximately 65.38 g/mol.

Front

How do you convert formula units to grams?

Back

To convert formula units to grams, first convert formula units to moles, then multiply by the molar mass.