Mole/Particle Conversions (WED)

Front

What is Avogadro's number?

Back

Avogadro's number is 6.02 x 10^23, which is the number of particles (atoms, molecules, etc.) in one mole of a substance.

Front

How many atoms are in 1 mole of any element?

Back

1 mole of any element contains 6.02 x 10^23 atoms.

Front

What is the relationship between moles and molecules?

Back

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

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 do you convert molecules to moles?

Back

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

Front

If you have 2 moles of a substance, how many molecules do you have?

Back

2 moles of a substance contain 2 x 6.02 x 10^23 = 1.204 x 10^24 molecules.

Front

What is the formula to calculate moles from the number of atoms?

Back

Moles = Number of atoms / Avogadro's number (6.02 x 10^23).

Front

How many moles are in 1.204 x 10^24 molecules?

Back

1.204 x 10^24 molecules is equal to 2 moles.

Front

What is the significance of the mole in chemistry?

Back

The mole is a fundamental unit in chemistry that allows chemists to count particles by weighing them.

Front

How many molecules are in 9.4 moles of ibuprofen?

Back

9.4 moles of ibuprofen contain 5.66 x 10^24 molecules.