Calculate the relative molecular weight of Cl2O5

To find the molecular weight, you need to add the masses of all the atoms that make up the molecule.

The Cl2O5 molecule consists of two Chlorine atoms and five Oxygen atoms.

The relative atomic mass of Chlorine = 35.5, and Oxygen – 16.

35.5 * 2 + 16 * 5 = 71 + 80 = 151



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