A 3.00L oxygen gas is collected over water at 27oC when the barometric pressure is 787Torr. If vapour pressure of water is 27Torr at 27oC, moles of O2 gas will be?
A
0.122
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B
0.126
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C
0.004
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D
0.152
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Solution
The correct option is A0.122 Given Volume (V)=3.00 L