Moles

Question 1

what is a mole?

Answer 1

a mole is the unit of amount of substance in chemistry

Question 2

what do moles represent?

Answer 2

how many particles of a substance there are, taking into account that particles of different substances have different masses

Question 3

how is the amount of a substance in moles calculated from mass and RFM?

Answer 3

moles = mass (g) / RFM