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Place the following substances in order of decreasing vapor pressure at a given temperature. NaCl CH3OH OF2 Place the following substances in order of decreasing vapor pressure at a given temperature. NaCl CH3OH OF2 OF2 > NaCl > CH3OH OF2 > CH3OH > NaCl NaCl > CH3OH > OF2 CH3OH > OF2 > NaCl NaCl > OF2 > CH3OH

Respuesta :

Answer:

OF2 > CH3OH > NaCl

Explanation:

Vapor pressure is the pressure which is exerted by vapors or gas of the substance at a given temperature.

Please note that there are three compounds present.

OF2 (Oxygen difluoride) is a gas at room temperature.

CH3OH (Methanol or Wood alcohol) is liquid at room temperature.

NaCl (Sodium chloride / Tablet salt) is solid at room temperature.

So, OF2 being a gas will have highest vapor pressure than CH3OH which is volatile but is liquid and NaCl being solid has no vapor pressure.

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