Question: how to find the empirical formula with 3 elements?
Answer: Step 1: Obtain the mass of each element present in grams. Element % = mass in g = m.
Step 2: Determine the number of moles of each type of atom present. ... 
Step 3: Divide the number of moles of each element by the smallest number of moles. ... 
Step 4: Convert numbers to whole numbers.