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Solution: A solution is prepared by dissolving 38.6 g sucrose (C12H22O...

Question

A solution is prepared by dissolving 38.6 g sucrose (C12H22O11) in 495 g of water.  Determine the mole fraction of sucrose if the final volume of the solution is 508 mL.

A) 1.28 × 10 -3      

B) 2.45 × 10 -3 

C) 7.80 × 10 -2

D) 4.09 × 10 -3 

E) 7.23 × 10 -2