Home
Class 12
CHEMISTRY
A solution containing 30 g of non-volati...

A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour pressure of 2.8 kPa at 298 K. Further, 18 g of water is then added to the solution and the new vapour pressure becomes 2.9 kPa at 298 K. Calculate: vapour pressure of water at 298 K.

Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    MODERN PUBLICATION|Exercise EXERCISE|635 Videos
  • SOLID STATE

    MODERN PUBLICATION|Exercise EXERCISE|525 Videos
  • STRUCTURE OF ATOM

    MODERN PUBLICATION|Exercise EXERCISE|102 Videos

Similar Questions

Explore conceptually related problems

A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour pressure of 2.8 kPa at 298 K. Further, 18 g of water is then added to the solution and the new vapour pressure becomes 2.9 kPa at 298 K. Calculate: molar mass of the solute

The vapour pressure of water is 12.3 kPa at 300 K. Calculate vapour pressure of 1 molal solution of a non-volatile solute in it.

1.0 gram of a non-volatile solute was dissolved in 100 gram of acetone (molecular mass = 58) at 298 K. The vapour pressure of solution was found to be 192.5 mm of Hg. Calculate the molecular mass of solute. The vapour pressure of pure acetone at 298 K is 195 mm of Hg.

What happens to the vapour pressure of a liquid when a non-volatile solute is added to it

Vapour pressure of water at 20^C is 17.5 mm of Hg and lowering of vapour pressure of a sugar soluton is 0.061 mm of Hg. Calculate vapour pressure of the solution.

The lquid A and B from ideal solutions. At 300 K, the vapour pressure of solution containing 1 mole of A and 3 mole of B is 550 mm Hg. At the same tempreature, if one more mole of B is added to this solution, the vapour pressure of the solution increases by 10 mm Hg. determinethe vapour pressure of A and B in their pure states (in mm Hg):

A solution sontain 8 g of a carbohydrate in 100 g of water has a density 1.025 g/mL and an osmotic pressure of 5 atm at 27^(@) C . What is the molar mass of the carbohydrate?

A solution of glucose has been prepared at 298K dissolving 7.2 g of glucose in 100 g of water. k_f water is 1.86Km^-1 and vapour pressure of water at 298K is 0.024 atm. The vapour pressure of the solution at 298K will be

Calculate the vapour pressure of an aqueous solution containing 5% by mass of urea (NH_2CON_2) at 298K. The vapour pressure of water at 298K is 23.75 mm Hg.

MODERN PUBLICATION-SOLUTIONS -EXERCISE
  1. A solution containing 30 g of non-volatile solute exactly in 90 g of w...

    Text Solution

    |

  2. Calculate the percentage composition of C2H5OH.

    Text Solution

    |

  3. 18g of glucose (molar mass 180gmol^-1) is present in 500cm^3 of its aq...

    Text Solution

    |

  4. A solutionm of glucose (C6H12O6) in water is labelled as 10% by weight...

    Text Solution

    |

  5. What volume of 10%(w/v) solution of Na2CO3 will be required to neutral...

    Text Solution

    |

  6. What volume of 95 mass% sulphuric acid (density =1.85g/cm^3) and what ...

    Text Solution

    |

  7. Calculate the mole fraction of ethanol and water in a sample of rectif...

    Text Solution

    |

  8. Calculate the mole fraction of water in a mixture of 12 g water, 108 g...

    Text Solution

    |

  9. One litre solution of N/2 HCl is heated in a beaker. It was observed t...

    Text Solution

    |

  10. Concentrated H(2)SO(4) has a density 1 . 9 g/mL and is 99% H(2) SO(4)...

    Text Solution

    |

  11. Calculate the molality and mole fraction of the solute in aqueous solu...

    Text Solution

    |

  12. The molarity of a solution of ethyl alcohol (C2H5OH) in water in 1.55 ...

    Text Solution

    |

  13. Commercially available concentrated HCI contains 38% HCI by mass an...

    Text Solution

    |

  14. Calculate the formality of sodim thiosulphate (Na2S2O3.5H2O) solution,...

    Text Solution

    |

  15. 4.0 g of NaOH are contained in one declitre of a solution. Calculate m...

    Text Solution

    |

  16. 4.0 g of NaOH are contained in one declitre of a solution. Calculate m...

    Text Solution

    |

  17. 4.0 g of NaOH are contained in one declitre of a solution. Calculate m...

    Text Solution

    |

  18. Calculate molarity and molality of solution prepared by mixing equa...

    Text Solution

    |

  19. The concentration of solution of sulphuric acid is 18M and has density...

    Text Solution

    |

  20. Calculate the number of molecules of oxalic acid (H2C2O4. 2H2O) in 100...

    Text Solution

    |

  21. The mole fraction of benzene in a solution with toluene 0.50 calculate...

    Text Solution

    |