Molar conversions Makeup

Front

What is a mole?

Back

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

Front

How many molecules are in 1 mole of any substance?

Back

1 mole of any substance contains 6.022 x 10^23 molecules.

Front

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

Back

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

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

How do you convert moles to grams?

Back

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

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 convert moles to particles?

Back

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

Front

How do you convert particles to moles?

Back

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

Front

If you have 5.507 moles of sodium chloride, how many grams do you have?

Back

To find the mass, multiply 5.507 moles by the molar mass of NaCl (58.44 g/mol) to get approximately 322.5 grams.

Front

What is the relationship between moles and volume in gases at STP?

Back

At standard temperature and pressure (STP), 1 mole of any gas occupies 22.4 liters.