.50 g oxygen and 5.00 g sulfur.
Calculate the mass of oxygen per gram of sulfur for sulfur dioxide.
So the molecular formula for sulfur dioxide is SO2, So for every mole of sulfur, you have 2 moles of Oxygen. You can get the masses by multiplying it by the atomic masses. Just divide the mass you get for oxygen then divide it by the mass of sulfur. The solution is shown below. I hope this helps!