Disulfur Dioxide Element Mass PercentSulphur/Sulfur64.13gSulphur/Sulfur64.13gOxygen31.9988gOxygen31.9988gS2O2 # of AtomsSulphur/Sulfur2Sulphur/Sulfur2Oxygen2Oxygen2 Instructions This program determines the molecular mass of a substance. Enter the molecular formula of the substance. It will calculate the ...