Atoms to mole

Front

What is a mole?

Back

A mole is a unit of measurement in chemistry that represents 6.02 x 10^23 particles, atoms, or molecules.

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 convert moles to atoms?

Back

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

Front

If you have moles on top, what do you need on the bottom of the conversion factor?

Back

You need moles on the bottom of the conversion factor.

Front

How many moles are in 2.85 x 10^18 atoms of iron, Fe?

Back

There are 4.14 x 10^23 molecules in 2.85 x 10^18 atoms of iron.

Front

What is the relationship between moles and particles?

Back

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

Front

How many atoms are in 6.5 moles of zinc, Zn?

Back

There are 3.91 x 10^24 atoms in 6.5 moles of zinc.

Front

If you have particles on top, what do you need on the bottom of the conversion factor?

Back

You need particles on the bottom of the conversion factor.

Front

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

Back

Number of moles = mass (g) / molar mass (g/mol).

Front

What is molar mass?

Back

Molar mass is the mass of one mole of a substance, usually expressed in grams per mole (g/mol).