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ChemistryJEE Main 5 Apr 2026, Shift 1·Q4·MCQ·Easy–moderate

Solutions · Mole fraction from mass percent

What is the mole fraction of water in 10% by weight (w/w) of aqueous urea solution ?

[Given : Molar mass of H, O, C and N are 1, 16, 12 and 14 g mol−1^{-1} respectively]

  1. (1)0.825
  2. (2)0.032
  3. (3)0.867
  4. (4)0.967

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See the full 5 Apr 2026, Shift 1 paper