Mole Conversions

Front

What is a mole?

Back

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

Front

How many atoms are in 1 mole of NaCl?

Back

6.02 x 10^23 atoms.

Front

How many molecules are in 2.5 mol of NaCl?

Back

1.51 x 10^24 molecules.

Front

How do you convert moles to grams?

Back

Multiply the number of moles by the molar mass of the substance.

Front

What is the molar mass of H2SO4?

Back

The molar mass of H2SO4 is approximately 98.08 grams/mole.

Front

How many moles are in 5.68 x 10^24 formula units of AlCl3?

Back

9.44 moles.

Front

What is the formula to convert grams to moles?

Back

Moles = grams / molar mass.

Front

What is the unit of molar mass?

Back

grams/mole.

Front

How do you find the number of particles in a given number of moles?

Back

Multiply the number of moles by Avogadro's number (6.02 x 10^23).

Front

If you have 3 moles of a substance, how many molecules do you have?

Back

3 moles x 6.02 x 10^23 = 1.81 x 10^24 molecules.