Home
Class 12
CHEMISTRY
A solution is made by dissolving 30 g of...

A solution is made by dissolving 30 g of a non-volatile solute in 90 g of water. It has a vapour pressure of 2.8 k Pa at 298 K. At 298 K, vapour pressure of pure water is 3.64 kPa. Calculate the molar mass of the solute.

Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    MODERN PUBLICATION|Exercise PROBLEM|3 Videos

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|225 Videos

Similar Questions

Explore conceptually related problems

An aqueous solution of methanol on water has vapour pressure:

When 1.3 g of a solute is dissolvedf in 169 g of water the boiling point of the solution is 100.025^@C at one atmospheric pressure. If K_b of water is 0.52 K kg mol^(-1) . Calculate the molecular mass of the solute.

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

One mole on non-volatile solute is dissolved in two mole of water. The vapour pressure of the solution relative to that of water is:

MODERN PUBLICATION-SOLUTIONS-EXERCISE
  1. Sodium chloride solution freezes at a lower temperature but boils at a...

    Text Solution

    |

  2. What are antifreeze solutions ? Which substance is commonly used as an...

    Text Solution

    |

  3. A solution is made by dissolving 30 g of a non-volatile solute in 90 g...

    Text Solution

    |

  4. Calculate the temperature at which a solution containing 54 g of gluco...

    Text Solution

    |

  5. Calculate the amount of KCI which must be added to 1 kg of water so th...

    Text Solution

    |

  6. State Raoult's law. How is the molecular mass of a solute determined f...

    Text Solution

    |

  7. A solution contains 72% water d 28% methyl alcohol. Calculate the mole...

    Text Solution

    |

  8. State Henry's law correlating the pressure of a gas and its solubility...

    Text Solution

    |

  9. H2S a toxic gas with rotten egg like smell, is used for qualitative an...

    Text Solution

    |

  10. How would you justify that the relative lowering in vapour pressure is...

    Text Solution

    |

  11. What type of deviations (positive or negative) from an ideal solution ...

    Text Solution

    |

  12. Heptane and octane form ideal solution. At 373 K, the vapour pressures...

    Text Solution

    |

  13. What do you mean by depression in freezing point? Show that depression...

    Text Solution

    |

  14. Two elements A and B form compounds having molecular formula AB(2) and...

    Text Solution

    |

  15. 2g of benzoic acid (C(6)H(5)COOH) dissolved in 25 g of benzene shows a...

    Text Solution

    |

  16. Distinguish between diffusion and osmosis.

    Text Solution

    |

  17. Define Van't Hoff laws of Osmotic pressure.

    Text Solution

    |

  18. Define the terms osmosis and osmotic pressure. What is the advantage o...

    Text Solution

    |

  19. What are ideal and non-ideal solutions ? What types of non-idealities ...

    Text Solution

    |

  20. Why do we sometimes get abnormal molecular masses of the substance by ...

    Text Solution

    |