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Posted by on Tuesday, April 24, 2012 at 1:42am.

A gas is collected over water at 30.0 degrees celsius. It's pressure is 752.5 mm Hg. What is the pressure of the dry gas? Water vapor pressure at twenty degrees Celsius is 27.5 mm Hg.

  • Chemistry - , Tuesday, April 24, 2012 at 3:27pm

    Ptotal = pH2O + pdry air

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