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Define molar depression constant...

Define molar depression constant

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Explain depression in freezing point. How depression in freezing point can be used to find molar mass of a non-volatile solute? Define molal depression constant.

If molality of the dilute solution is doubled, the value of molal depression constant K_f will be

A solution of 1 . 25 g of non eletrolyute solute in 20 g of water freezes at 271 . 94 K. Calculate the molecular mass of solute. The molal depression constant for water is K_(f) = 1 . 86 K//m

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Molal freezing point depression constant is also called ..........

2g of benzoic acid ( C_6H_5COOH ) is dissolved in 25g of benzene show depression in freezing point equal to 1.62K. Molar depression constant for benzene, K_f =4.9K kg mol^-1 . What is percentage association of acid if it forms a dimer in solution?

1.00g of a non-electrolyte solute dissolved in 50g of benzene lowered the freezing point of benzene by 0.40K. The freezing point depression constant of benzene is 5.12K mol^-1 . Find the molar mass of the solute.

1 g of non - electrolyte solute (molar mass 250 g/mol) was dissolved in 5.12g of benzene. If the freezing point of depression constant, k_f of benzene is 5.12 K kg/mol, the freezing point of benzene will be lowered by

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MODERN PUBLICATION-SOLUTIONS -EXERCISE
  1. Why does the molality of a solution remain unchanged with temperatur...

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  2. What will be mole fraction of water in methanol solution containing eq...

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  3. Define molar depression constant

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  4. The boiling point increases and freezing point decreases when sodium ...

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  5. Sodium chloride is used to clear snow from roads. Explain.

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  6. What is the effect of temperature on solubility of a gas n a liquid ?

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  7. When is the value of Vant Hoff's factor more than one?

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  8. Why does water from the soil rise to the top of a tall tree?

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  9. What is the effect of temperature on the molality of a solution

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  10. What is the normality of 1.5 M H2SO4.

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  11. How is DeltaTf and DeltaTb related to molecular mass of a solute?

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  12. What is the normality of 0.5M aqueous solution of tribasic acid?

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  13. Two liquids A and B boil at 145^@C and 190^@C respectively. Which of t...

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  14. Under what conditions Van't Hoff factor , i less than one

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  15. Under what conditions Van't Hoff factor , i is eaual to unity

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  16. Define Raoult's law.

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  17. Define Henry law ?

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  18. Why does rubbing of isopropyl alcohol give a cooling sensation to the ...

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  19. Define Azeotropic mixture. Give one example.

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  20. Which of the two, molarity and molality, is better to express concentr...

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