topic 3a - amounts of substances (2. the mole) Flashcards
1
Q
what us avogadros constant
A
6.02 x 10^23
2
Q
what is a mole
A
amounts of substances are measured in a mole.
3
Q
how many particles are there in 1 mole of any substance
A
6.02 x 10^23
4
Q
what is the shortened form of moles
A
mol
5
Q
how to find the amount of moles in a substance
A
mass of the element or compound in grams/Mr of compound or Ar element
