a sample of oxygen gas o2 is collected over water, Chemistry

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a sample of oxygen gas o2 is collected over water

A sample of oxygen gas (O₂) is collected over water (H₂O) at 25 0C temperature and a total pressure of 654 torr. The volume of the gas collected =500 ml then determine the mass of O₂ is collected? The vapor pressure of H₂O at 25 degree Celsius =23.8 torr

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Chemistry: a sample of oxygen gas o2 is collected over water

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