54.0 mL of oxygen gas is collected over water at 25 degrees Celsius and 744 mmHg. How many moles of oxygen gas are in the sample? The vapor pressure of water at 25 degrees Celsius is 28.3 mmHg. 0.0690 moles 1.23 moles 0.00216 moles No correct answer 0.00209 moles
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\( P_{O2} = P_{total} - P_{water} \) \( P_{O2} = 744 \, mmHg - 28.3 \, mmHg = 715.7 \, mmHg \) Show more…
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