How can you find out the Molecular Formula with the Empirical Formula and the Relative Mass?

Example. Compound N has a Empirical Formula of C2,H6,N Compound N has a Relative Mass of 88 What is the Molecular Formula for Compound N? -First find the Relative Mass for the Elements involved. In this case, Carbon is 12, Hydrogen is 1 and Nitrogen is 14. Now multiply with the amount of atoms on the Empirical Formula and then add them all up to get the Relative mass of the Empirical Formula In this case it will look like [2 x 12]-->[Carbon] + [6 x 1]--->[Hydrogen] + [14 x 1]--->[Nitrogen] = 44 Now do the Relative mass of the Compound N divided by the Relative mass of the Empirical Formula [88/44 = 2] Now, the final step involves the answer you just got [ours is 2.] Multiply the atoms in the Empirical Formula by your Answer [2 x 2 = 4] (Carbon) [6 x 2 = 12] (Hydrogen) [1 x 2 = 2] (Nitrogen) Now you have found your Molecular Formula. Ours is: C4,H12.N2