What is heavier than 15 liters of nitric oxide 4 or 20 liters of sulfur oxide?

univerkov | September 28, 2021 | education

1) The molar mass of nitric oxide 4 is: 14 + 16 * 2 = 32 + 14 = 46.
2) The amount of nitric oxide substance will be: 15 / 22.4 = 0.67 mol.
3) Then the mass of nitrogen oxide is: 0.67 * 46 = 30.82 g.
4) The amount of sulfur oxide substance is: 20 / 22.4 = 0.89 mol.
5) The molar mass of sulfur oxide according to the periodic table is: 32 + 32 = 64.
6) Then the mass of sulfur oxide is: 64 * 0.89 = 72.96 g.
7) Find how many times sulfur oxide is heavier than nitrogen oxide: 72.96 / 30.82 = 2.4 times – the answer.

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