basic terms

Question 1

mole

Answer 1

mol is like a special number in chemistry that tells you exactly how many atoms, molecules, or other tiny particles you have in a substance. This special number is a really big one: 602, sextillion (that’s 602 with 23 zeros!).

Question 2

number of moles

Answer 2

n = m / M
n represents the number of moles (mol)
m represents the mass of the substance (g)
M represents the molar mass of the substance (g/mol)

Question 3

molar mass

Answer 3

which is essentially the mass of one mole of the substance