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 atoms to moles?

Back

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

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 many moles are in 36.0 g of Beryllium (Be)?

Back

4.0 mol of Be.

Front

What is the molar mass of aluminum (Al)?

Back

The molar mass of aluminum is 26.982 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

How many molecules are in 9.44 moles of AlCl3?

Back

5.68 x 10^24 molecules of AlCl3.

Front

What is the mass of one mole of carbon (C)?

Back

The mass of one mole of carbon is 12.01 g.

Front

How do you calculate the number of moles from mass?

Back

To calculate moles from mass, divide the mass of the substance by its molar mass.

Front

What is the relationship between moles and grams?

Back

Moles can be converted to grams using the formula: grams = moles x molar mass.