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I assume you mean mass of oxygen % in SO2.

This is calculated by finding the molecular weight of S and O (32 and 16 respectively)

As there are 2 oxygens, 16 is multiplied by 2, = 32.

put 32 over the total, = 32/64. Which equals 50%

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What is the mass percent of oxygen (O) in SO2?

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The molar mass of SO2 is 64.07 g/mol. Since oxygen has a molar mass of 16 g/mol and there are 2 oxygen atoms in SO2, the total mass of oxygen in SO2 is 32 g. Therefore, the mass percent of oxygen in SO2 is 32/64.07 * 100% = 50.05%.


What is the mass percent of oxygen on SO2?

The molar mass of SO2 is 64.07 g/mol. Oxygen has a molar mass of 16.00 g/mol. To calculate the mass percent of oxygen in SO2, we can divide the molar mass of oxygen (32.00 g) by the molar mass of SO2 (64.07 g) and multiply by 100 to get 50.05%.


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