A \( 2.24 \mathrm{~L} \) cylinder of oxygen at \( 0^{\circ} \mathrm{C} \) and 1 atm is found to ...

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A \( 2.24 \mathrm{~L} \) cylinder of oxygen at \( 0^{\circ} \mathrm{C} \) and 1 atm is found to develop a leakage. When the leakage was plugged, the pressure dropped to \( 570 \mathrm{~mm} \) of Hg. The number of moles of gas that escaped will be(a) \( 0.025 \)(b) \( 0.050 \)(c) \( 0.075 \)(d) \( 0.09 \)
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