It's important to note that:

* Diphosphorus trioxide is a solid at room temperature, not a liquid. It is a white crystalline solid.

* The formula P₂O₃ represents the empirical formula, meaning it shows the simplest whole-number ratio of atoms in the compound.

* The molecular formula of diphosphorus trioxide is P₄O₆.

Let me know if you have any more questions!