# What mass of sulfur dioxide SO2 contains 16 kg of oxygen?

The problem can be solved in different ways, but I will give the simplest one. Namely where you can easily count. Of course, first of all, we will determine the molecular weight of oxygen and the molecular weight of sulfur dioxide (namely sulfur dioxide, or SO2)

Molecular weight S = 32 (g / mol)

For oxygen, the molecular weight (O2) is 16 x 2 = 32 (g / mol)

For SO2 (sulfur dioxide), the molecular weight is 32 + 32 = 64 (g / mol).

Well, then everything is simple and does not require complex calculations. Based on the formula for sulfur dioxide, namely SO2, we see that it is twice as high as the molecular weight of oxygen. And therefore, 16 kg of oxygen is contained in 32 kg of sulfur dioxide.

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