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Define molar elevation constant....

Define molar elevation constant.

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What elevation in boiling point of alcohol is to be excepted when 5 g of urea (molar mass=60) are dissolved in 75 g of it? The molar elevation constant for alcohol is 1.15^@C .

Calculate the molal elevation constant of water (K_(b) = ?) . Given that 0 . 1 molar aquous solution of a substance boiled at 100 .052^(@) C

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.

A solution containing 0.45 g of a urea in 22.5 g of water gave a boiling point elevation of 0.17 K. Calculate the molal elevation constant of water. Molar mass of urea is 60 g "mol"^(-1) .

Each question contains STATEMENT-I(Assertion) and STATEMENT-2(Reason).the statement carefully and mark the correct answer accoring to the instrution given below: STATEMENT - 1 : Elevation in boiling point will be high if the molal elevation constant of the liquid is high. STATEMENT - 2 : Elevation in boiling point is a colligative property.

Calculate the molal elevation constant of water, it is being given that 0.2 molal solution of a non-electrolyte increases boiling point of water by 0.104 K.

The molal elevation constant depends upon

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  1. How will you calculate the molecular mass of a solute with the help of...

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  2. Define boiling point and find out expression for the molecular mass of...

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  3. Define molar elevation constant.

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  4. How will you show that elevation in boiling point is a colligative pro...

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  5. How will you show that depression in freezing point is a colligative p...

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  6. How will you show that depression in freezing point is a colligative p...

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  7. Why is it advised to add ethylene glycol to water in a car radiator wh...

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  8. Sodium chloride solution freezes at lower temparature than water but b...

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  9. What is Osmotic pressure?

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  10. Show that osmotic pressure is a colligative property?

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  11. Why determination of osmotic pressure is preffered for finding molecul...

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  12. Differentiate between diffusion and osmosis.

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  13. What are isotonic,hypertonic and hypotonic solutions.

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  14. Derive the relationship to find the condition for isotonic solutions.

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  15. Why do you get sometimes abnormal molecular mass of substances by usin...

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  16. Define van't Hoff factor . What is its importance? How does it account...

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  17. calculate the mass of urea (NH2CONH2) required in making 2.5kg of 0.25...

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  18. Mole fraction of the solute in 1 molal aqueous solution is

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  19. Concentrated nitric acid used in the laboratory is 68% nitric acid by ...

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  20. A solution of glucose in water is labelled as 10 percent w/w . What wo...

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