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A solution of solute X'in benzene boils ...

A solution of solute X'in benzene boils at `0.126 K` higher than benzene. What is the molality of the solution ?
( `K_b` for benzene = 2.52 K/m)

A

0.05

B

2

C

1

D

20

Text Solution

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The correct Answer is:
A
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ACCURATE PUBLICATION-SOLUTIONS -NUMERICAL QUESTIONS (3 MARKS)
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  6. How many grams of ethylene glycol (molar mass = 62) should be added to...

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  7. Benzene and toluene form nearly ideal solution . At 313 K the vapou...

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  9. 200 cm^3 of an aqueous solution of a protein contains 1.26g of the pro...

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  10. 4 . 0 g of NaOH are contained in one decilitre of a solution. Calcula...

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  15. At some temperature the vapour pressure of pure benzene, C(6) H(6) is ...

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  16. Vapour pressure of chlolfom (CHCI(3)) and dichloromethane (CH(2) CI(2...

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  17. The density of 10% by mass of KCI solution in water is 1 . 0 6 g mL^...

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  18. The vapour pressure of ethanol (C(6)H(5) OH) and methanol (CH(3) OH)...

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  19. Addition of 0.643g of a compound to 43.95g of benzene lowers the freez...

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  20. 18 g of a compound is dissolved in 10 kg of water so that the resu...

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  21. 35 g of compound is added in 1 kg of water so that the resulting sol...

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