The vapour pressure of water at 20^oC is 17.5 mm Hg. If 18 g of glucose (C₆H₁₂O₆) is added to 178.2 g of water at 20^oC, the vapour pressure of the resulting solution will be

17.675 mm Hg

15.750 mm Hg

16.500 mm Hg

17.325 mm Hg

Solution

17.325 mm Hg

fraction numerator straight P to the power of 0 minus straight P subscript straight s over denominator straight P subscript straight s end fraction space equals space straight X space subscript solute fraction numerator 17.5 space minus space straight P subscript straight s over denominator straight P subscript straight s end fraction space equals space fraction numerator 0.1 over denominator 10 end fraction fraction numerator 17.5 space minus space straight P subscript straight s over denominator straight P subscript straight s end fraction space equals space 0.01 space rightwards double arrow space straight P subscript straight s space equals space 17.325 space mm space Hg

Some More Questions From Solutions Chapter

For Daily Free Study Material Join wiredfaculty