Quantities of 16 g of oxygen and 14 g of nitrogen are contained in a closed bottle. The pressure inside the bottle is 4 atm. Now, 8 g gas is removed from the bottle. What will be the new pressure insi

Question

Quantities of 16 g of oxygen and 14 g of nitrogen are contained in a closed bottle. The pressure inside the bottle is 4 atm. Now, 8 g $	ext{O}_2$ gas is removed from the bottle. What will be the new pressure inside the bottle?

Prashant Kotian · Accepted Answer

Correct answer: D. Initial n = 0.5 + 0.5 = 1.0 mol. Removed O2 = 8/32 = 0.25 mol. Final n = 0.75 mol. P2 = 4 * 0.75 / 1.0 = 3 atm. Therefore, correct answer is D.

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