the mole concept

Question 1

mole

Answer 1

a mole of a substance is 6.02*10^23 representative particles of that substance

Question 2

representative particle

Answer 2

refers to the species present in a substance, usually atoms, molecules, or formula units.

Question 3

avogadro’s number

Answer 3

the number of representative particles in a mole, 6.02*10^23 is called avogadro’s number after the italian amedeo avogadro

Question 4

molar mass

Answer 4

the mass of one mole of a substance is called the molar mass and is expressed in units g/mol