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A sample of oxygen (O2) was collected by water displacement at 23°C when the ambient pressure was 777 torr. The volume of the gas over water was 568 mL. If the water vapour could be removed from the gas sample, what volume (in mL) would the dry O2 gas occupy under the same conditions? The vapour pressure of water... show more A sample of oxygen (O2) was collected by water displacement at 23°C when the ambient pressure was 777 torr. The volume of the gas over water was 568 mL. If the water vapour could be removed from the gas sample, what volume (in mL) would the dry O2 gas occupy under the same conditions?

The vapour pressure of water at 23°C is 21.0 torr.
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