Arsenic pentaselenide [As2Se5] is an inorganic compound of two elements: Arsenic (As) and Selenium (Se). The molecular weight of Arsenic pentaselenide is 544.69819 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.
![Arsenic Pentaselenide [As2Se5] Molecular Weight Calculation](https://www.laboratorynotes.com/wp-content/uploads/2023/05/fi-arsenic-pentaselenide-molecular-weight-calculation-100x88.jpg "Arsenic Pentaselenide [As2Se5] Molecular Weight Calculation")