Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Solutions question

2023 · Shift 2 · Q12
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Advanced
  3. /Chemistry
  4. /Solutions
  5. /2023 · Shift 2 · Q12

Solutions question

2023 · Shift 2 · Q12

JEE AdvancedChemistrySolutionsNumerical+4 / −1
50 mL50 \mathrm{~mL}50 mL of 0.2 molal urea solution (density =1.012 g mL−1=1.012 \mathrm{~g} \mathrm{~mL}^{-1}=1.012 g mL−1 at 300 K300 \mathrm{~K}300 K) is mixed with 250 mL250 \mathrm{~mL}250 mL of a solution containing 0.06 g0.06 \mathrm{~g}0.06 g of urea. Both the solutions were prepared in the same solvent. The osmotic pressure (in Torr) of the resulting solution at 300 K300 \mathrm{~K}300 K is ‾\underline{\hspace{2cm}}​. [Use: Molar mass of urea =60 g mol−1=60 \mathrm{~g} \mathrm{~mol}^{-1}=60 g mol−1; gas constant, R=62\mathrm{R}=62R=62 L Torr K−1 mol−1\mathrm{K}^{-1} \mathrm{~mol}^{-1}K−1 mol−1; Assume, Δmix H=0,Δmix V=0\Delta_{\text {mix }} \mathrm{H}=0, \Delta_{\text {mix }} \mathrm{V}=0Δmix ​H=0,Δmix ​V=0 ]
Numerical answer
PreviousNext

More from Solutions

  • An aqueous solution is prepared by dissolving 0.1 mol of an ionic salt in 1.8 kg of water at 35∘C. The salt remains 90% dissociated in the solution. The vapour pressure of the solution is 59.724 mm…2022 · Numerical
  • The boiling point of water in a 0.1 molal silver nitrate solution (solution A) is x ∘ C. To this solution A, an equal volume of 0.1 molal aqueous barium chloride solution is added to make a new solution B. The difference in the…2021 · Numerical
  • The boiling point of water in a 0.1 molal silver nitrate solution (solution A) is x ∘ C. To this solution A, an equal volume of 0.1 molal aqueous barium chloride solution is added to make a new solution B. The difference in the…2021 · Numerical
  • Liquids A and B form ideal solution for all compositions of A and B at 25 ∘ C. Two such solutions with 0.25 and 0.50 mole fractions of A have the total vapour pressure of 0.3 and 0.4 bar, respectively. What is the vapour pressure…2020 · Numerical
  • On dissolving 0.5 g of a non-volatile non-ionic solute to 39 g of benzene, its vapor pressure decreases from 650 mmHg to 640 mmHg. The depression of freezing point of benzene (in K) upon addition of the solute is ............. (Given data:…2019 · Numerical
  • Liquids A and B form ideal solution over the entire range of composition. At temperature T, equimolar binary solution of liquids A and B has vapor pressure 45Torr. At the same temperature, a new solution of A and B having mole…2018 · Numerical
  • The plot given below shows P−T curves (where P is the pressure and T is the temperature) for two solvents X and Y and isomolal solutions of NaCl in these solvents. NaCl completely dissociates in both the solvents. On addition… Includes diagram2018 · Numerical
  • For a solution formed by mixing liquids L and M, the vapor pressure of L plotted against the mole fraction of M in solution is shown in the following figure. Here XL​ and XM​ represent mole fractions of L and M,… Includes diagram2017 · Multiple correct