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A soluton of glycerol , molar mass=92 g ...

A soluton of glycerol , molar mass=`92 g mol^-1` in water was prepared by dissolving some glycerol in 500 g of water. This solution has a boiling point of `100.42^@C`. What mass of glycerol was dissoled to make this solution? `K_b` for water= `0.512 K kg mol^-1`.

A

`1.2xx10^21`

B

`2.0xx10^22`

C

`3.0xx10^23`

D

`6.0xx10^11`

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MODERN PUBLICATION-SOLUTIONS -EXERCISE
  1. Which of the following has highest boiling point?

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  2. Which one of the following pairs of solutions can be expected to be is...

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  3. A soluton of glycerol , molar mass=92 g mol^-1 in water was prepared b...

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  4. Osmotic pressure of a solution is

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  5. In a 0.5 molal solution KCl, KCl is 50% dissociated. The freezing poin...

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  6. For an ideal liquid

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  7. The vapour pressure of the solvent decreased by 10 mm of Hg when a non...

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  8. For a molar solution of NaCl in water at 25^(@)C and 1 atm pressure sh...

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  9. 0.01 M solution each of ura, common salt and sodium sulphate are taken...

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  10. Which of the following 0.10 m aqueous solution will have the lowest fr...

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  11. The Van't Hoff factor for 0.1 M Ba(NO3)2 solution is 2.74. the degree ...

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  12. 2.5 litre of 1 M NaOH solution are mixed and another 3 litre of 0.5 M ...

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  13. In a 0.2 molal aqueus solution of a weak acid HX the degree of dissoci...

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  14. Which one of the following statements is false?

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  15. Comphor is often used in molecules mass determination bacause

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  16. In 100 g of napthalene 2.423 g of sulphur was dissolved. Melting point...

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  17. Ethylene glycol is added to water as an antifreeze. It will

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  18. The volume of 4N HCl and 10 N HCl required to make 1 litre of 6N HCl l...

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  19. Which of the following colligatives property can provide molar mass of...

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  20. When a gas is bubbled through water at 298K, a very dilute solution of...

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