Mole Conversion

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 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

What is the volume of one mole of gas at STP?

Back

The volume of one mole of gas at Standard Temperature and Pressure (STP) is 22.4 liters.

Front

How do you convert liters of gas to moles at STP?

Back

To convert liters of gas to moles at STP, divide the volume in liters by 22.4 L.

Front

What is the molar mass of glucose (C6H12O6)?

Back

The molar mass of glucose is approximately 180.18 g/mol.

Front

How do you calculate the number of moles from grams?

Back

To calculate the number of moles from grams, divide the mass of the substance by its molar mass.

Front

What is the formula to find the number of atoms in a sample?

Back

Number of atoms = Number of moles x Avogadro's number.

Front

How many molecules are in 2.5 moles of NaCl?

Back

2.5 moles of NaCl contains 1.51 x 10^24 molecules.

Front

How many grams are in 3 moles of water (H2O)?

Back

3 moles of water (H2O) weighs approximately 54.0 grams.