Which of the following relations gives the value of $n$ in the context of empirical and molecular formulas?

• A
  $\frac{\text{Molecular Mass}}{\text{Atomic Mass}}$
• B
  $\frac{\text{Molecular Mass}}{\text{Empirical Mass}}$
• C
  $\frac{\text{Empirical Mass}}{\text{Molecular Mass}}$
• D
  None of these