Moles and 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.).

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 do you calculate the mass of a substance in grams from moles?

Back

Mass (g) = Moles x Molar Mass (g/mol).

Front

What is the molar mass of C6H12?

Back

The molar mass of C6H12 (hexane) is approximately 86.18 g/mol.

Front

How many molecules are in 1 mole of a substance?

Back

1 mole of a substance contains 6.02 x 10^23 molecules.

Front

What is the formula to convert moles to molecules?

Back

Molecules = Moles x Avogadro's number (6.02 x 10^23).

Front

How do you convert grams to moles?

Back

Moles = Mass (g) / Molar Mass (g/mol).

Front

What is the relationship between moles and atoms?

Back

1 mole of an element contains Avogadro's number of atoms.

Front

Calculate the number of moles in 4.20 moles of C6H12.

Back

4.20 moles of C6H12 is simply 4.20 moles.

Front

How many atoms are in 0.0340 g of Zn?

Back

3.13 x 10^20 atoms Zn.