WHAT'S IN MOLE?

• MOLE - counting unit used in chemistry.
• AVOGADRO'S NUMBER - is the number of particles in one mole of a substance. it is very large number equal to 6.02 × 10²³ particles.
• MOLAR MASS - a ratio to convert a mass measurement to an amount of substance. it is usually expressed in "grams per mole" often written "g/mol"