The pressure exerted by saturated water vapour is called aqueous tension. The pressure of the dry gas can be calculated as?
A
PDrygas=PTotal− aqueous tension
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B
PDrygas=PTotal+ aqueous tension
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C
PDrygas=PTotal/ aqueous tension
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D
PDrygas=PTotal∗ aqueous tension
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Solution
The correct option is APDrygas=PTotal− aqueous tension Pressure exerted by saturated water vapour is called aqueous tension. Pressure of dry gas can be calculated as PDrygas=PTotal− aqueous tension. Thus, the pressure of dry gas is the difference between the total pressure and aqueous tension.