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Define the following terms: (i) Mole f...

Define the following terms:
(i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.

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NCERT TELUGU-SOLUTIONS -EXRECISES
  1. How many types of solutions are formed ? Givee an example for each typ...

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  2. Suppose a solid solution is formed between two substances, one whose p...

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  3. Define the following terms: (i) Mole fraction (ii) Molality (iii) Mo...

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  4. Concentrated nitric acid used in the laboratory work is 68% nitric aci...

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  5. A solution of glucose in water is labelled as 10% w/w. What would be t...

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  6. How many ml of 0.1 HCl is required to react completely with 1.0g mixtu...

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  7. A solution is obtained by mixing 300g of 25% solution and 400g of 40% ...

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  8. An antifreeze solution is prepared from 222.6g of ethylene glycol [(C(...

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  9. A sample of drinking water was found to be severely contaminated with ...

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  10. What role do the molecular interactions play in a solution of alcohol ...

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  11. Why do gases always tend to be less soluble in liquids as the temperat...

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  12. State Henry’s law and mention some important applications?

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  13. The partial pressure of ethane over a solution containing 6.50 xx10^(...

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  14. What is meant by positive deviations from Raoult's law and how is the ...

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  15. An aqueous solution of 2% non volatile solute exerts a pressure of 1.0...

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  16. Heptane and Octane form an ideal solution. At 373 K the vapour pressur...

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  17. The vapour pressure of water is 12.3 k P(a) at 300 K. Calculate the va...

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  18. Calculate the mass of a non-volatile solute (molar mass 40"g mol"^(-1)...

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  19. A solution containing 30g of non-volatile solute exactly in 90g of wat...

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  20. A 5% solution (by mass) of cane suger in water has freezing point of 2...

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