If a gas has 0.5 mole at STP, what volume does it occupy?

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Multiple Choice

If a gas has 0.5 mole at STP, what volume does it occupy?

Explanation:
At STP, one mole of an ideal gas occupies 22.4 liters. So for 0.5 mole, the volume is half of that: 0.5 × 22.4 L = 11.2 L. This follows from V = nRT/P, with P = 1 atm and T = 273 K, giving roughly 22.4 L per mole. The other volumes correspond to different amounts of gas (1 mole, 2 moles, or 0.1 mole), so they don’t apply here.

At STP, one mole of an ideal gas occupies 22.4 liters. So for 0.5 mole, the volume is half of that: 0.5 × 22.4 L = 11.2 L. This follows from V = nRT/P, with P = 1 atm and T = 273 K, giving roughly 22.4 L per mole. The other volumes correspond to different amounts of gas (1 mole, 2 moles, or 0.1 mole), so they don’t apply here.

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