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The vapour pressure of aq.sol. of glucose is 750 mm of Hg at 373 K. Mole fraction is called as (A) 0.087 (B) 0.0087 (C) 0.87 (D) 0.013

The vapour pressure of aq.sol. of glucose is 750 mm of Hg at 373 K. Mole fraction is called as 
    (A)    0.087
    (B)    0.0087
    (C)    0.87
    (D)    0.013

Grade:upto college level

1 Answers

India VK
42 Points
8 years ago

Lowering of VP = 760 - 750 = 10 mm Hg

 

So mole fraction of solute = 10/760 = 0.013

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