Relative Formula Mass (Mr)

Question 1

What is Relative Formula Mass (RFM)?

Answer 1

All the atoms in are formula added together

Question 2

Example; Carbon dioxide

Answer 2

Co2
C = carbon = 12
O = oxygen = 16 x 2 = 32
32+12=44mr

Question 3

What is Mr of a compound equal to?

Answer 3

The mass of 1 mole for that compound.

Therefore 1 Mole for carbon dioxide = 44