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The volume of 0.5 mole of oxygen gas at the given condition is 11.2 dm³.

Volume of 1 mole of oxygen at STP

The volume of one mole of oxygen at standard temperature an pressure is 22.4 dm³.

Number of moles of the oxygen gas

The number of moles of the 10 g of oxygen is calculated as follows;

[tex]n = \frac{16}{32} \\\\n = 0.5 \ mole[/tex]

The volume of 0.5 mole of oxygen gas

V = 0.5 x 22.4 dm³

V = 11.2 dm³

Learn more about volume of gases here: https://brainly.com/question/25736513

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