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What is the mass of oxygen in 5.97 g of sulfur dioxide?

April 26, 2017Atomic atoms Chemistry mass Molecular molecules oxygen physical sciences

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What is the mass of oxygen in 5.97 g of sulfur dioxide?

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Step 1: Look up the formula for sulfur dioxide. (answer: SO2) Step 2: Find S (sulfur) and O (oxygen) on the periodic table and get their atomic masses. Step 3: Determine the gram molecular mass of SO2 by adding the mass of S to 2 times the mass of O. This many grams contains one mole of SO2 molecules. Step 4: Determine the gram molecular mass of just the oxygen portion of SO2, which is 2 times the mass of O. This many grams of oxygen is contained in one mole of SO2. Step 5: The ratio of oxygen to total mass equals Step 4 divided by step 3. Step 6: Multiply this ratio by 5.97 grams to get the final answer. Good luck with the details!