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2.82g of glucose (molar mass =180) is di...

`2.82g` of glucose (molar mass `=180`) is dissolved in `30g` of water. Calculate the (i) Molality of the solution (ii) mole fractions of (a) glucose (b) water.

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To solve the problem step by step, we will calculate the molality of the solution and the mole fractions of glucose and water. ### Step 1: Calculate the number of moles of glucose To find the number of moles of glucose, we use the formula: \[ \text{Number of moles} = \frac{\text{mass of solute (g)}}{\text{molar mass of solute (g/mol)}} \] ...
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RESONANCE ENGLISH-SOLUTIONS-Board Level Exercise
  1. Define molal elevation constant or ebullioscopic constant.

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  2. Which has the highest freezing point:

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  3. A 10% solution of urea is isotonic with 20% solution of 'x' at same t...

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  4. Why a person suffering from high blood pressure is advised to take min...

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  6. Calculate the molality of potassium carbonate solution which is formed...

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  7. An electrolyte AB is 50% ionised in aqueous solution. Calculate the fr...

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  8. 5g of compound A was dissolved in 100g of water at 303K. The vapour pr...

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  9. When fruits and vegetables are dried and placed in water, they slowly ...

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  10. The freezing point of nitrobenzene is 278.8 K. A 0.25 molal solution o...

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  11. Urea forms an ideal solution. Determine the vapour pressure of an aque...

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  12. If DeltaT is the elevation in boiling point of a solvent and m is the...

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  13. An aqueous solution of 3.12g of BaCl(2) in 250g of water is found to b...

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  14. 18g of glucose (molar mass 180g "mol"^(-1)) is present in 500CM^(3) of...

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  15. Define Osmotic pressure and Arrange the following solutions in increas...

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  16. The vapour pressure of water is 12.3 kPa at 300 K. calculate vapour pr...

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  17. (a) What are non-ideal solutions? (b) What role does the molecular i...

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  18. Explain the term 'colligative property'. Why do we sometimes get abnor...

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  19. 2.82g of glucose (molar mass =180) is dissolved in 30g of water. Calcu...

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  20. An aqueous solution freezes at 272.4 K while pure water freezes at 273...

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