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.) of a substance.

Front

How do you convert atoms to moles?

Back

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

Front

How do you convert molecules to grams?

Back

To convert molecules to grams, first convert molecules to moles using Avogadro's number, then multiply by the molar mass of the substance.

Front

What is the molar mass of an element?

Back

The molar mass of an element is the mass of one mole of that element, expressed in grams per mole (g/mol).

Front

How many moles are in 1.2 x 10^24 molecules of CO?

Back

1.2 x 10^24 molecules of CO is equal to 2 moles (1.2 x 10^24 / 6.02 x 10^23).

Front

What is the mass of 1 mole of water (H2O)?

Back

The mass of 1 mole of water (H2O) is approximately 18 grams.

Front

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

Back

To find the number of molecules in a given number of moles, multiply the number of moles by Avogadro's number (6.02 x 10^23).

Front

What is the relationship between grams and moles?

Back

The relationship between grams and moles is given by the formula: Moles = Mass (g) / Molar Mass (g/mol).

Front

How many grams are in 0.5 moles of NaCl?

Back

0.5 moles of NaCl is equal to 29 grams (0.5 moles x 58.5 g/mol).

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.