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A sample of a drug C(21)(23)O(3)N (mol. ...

A sample of a drug `C_(21)_(23)O_(3)N` (mol. Wt. `=369`) mixed with lactose `C_(12)H_(22)O_(11)` (mol.wt.`=342`) was analysed by osmotic pressure measurement to determine the amount of sugar present . If `100mL` of solution containing `1.0g` of the drug-sugar mixture has an osmotic pressure of `5.27mmHg` at `25^(@)C` , what is the per cent sugar present ?

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To solve the problem, we will follow these steps: ### Step 1: Define Variables Let: - Mass of lactose (sugar) = \( x \) grams - Mass of the drug = \( 1 - x \) grams ### Step 2: Calculate Moles of Each Component ...
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RC MUKHERJEE-DILUTE SOLUTION AND COLLIGATIVE PROPERTIES-Objective problems
  1. A sample of a drug C(21)(23)O(3)N (mol. Wt. =369) mixed with lactose C...

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  2. A molal solution is one that contains one mole of a solute in

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  3. Vapour pressure of a solvent is 17.5 mmHg while that of itsdilute solu...

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  4. Which of the following is not a colligative property ?

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  5. When an ideal binary solution is in equilibrium with its vapour, molar...

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  6. The osmotic pressure of a solution is given by the relation

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  7. The osmotic pressure of solution at 0^(@)C is 4 atm what will be its o...

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  8. Which of the following aqueous solution shas osmotic presseure nearest...

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  9. 0.1 M solution of urea, at a given temperature, is isotonic with

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  10. Which one of the following pairs of solution can we expect to be isoto...

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  11. Which statement is incorrect about osmotic pressure(pi), volume (V), a...

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  12. Equal volumes of 0.1 M urea and 0.1 M glucose are mixed. The mixture w...

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  13. The factor (DeltaT(f)//K(f)) represents

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  14. The f.p. of 1% solution of Ca(NO(3))(2) in water will be

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  15. Which has the highest freezing point at 1 atm ?

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  16. Which of the following 0.1M aqueous solution will have the lowest f.p....

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  17. An aqueous solution contains 5% and 10% of urea and glucose respective...

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  18. When 1 mole of a solute is dissolved in 1 kg of H(2)O , boiling point ...

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  19. An aqueous solution of NaCl shall boil at

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  20. Which solution will have the highest b.p. ?

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  21. Which solution will have the highest boiling point ?

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