Masses

Question 1

How do you find relative formula mass?

Answer 1

add all of the relative atomic masses of the atoms in that compound 

Question 2

what is the empirical formula?

Answer 2

The most simplified version of a compound

Question 3

how do you find the molecular formula? 

Answer 3

find the relative formula mass of the circle formula, using the relative atomic mass, divide the formula mass of the compound by the formula, mass of the empirical formula multiply everything in the empirical formula by the result of step two