Home
Class 12
CHEMISTRY
The relative lowering of vapour pressure...

The relative lowering of vapour pressure of an aqueous solution containing a non-volatile solute is 0.0125. The molality of the solution is

A

0.7

B

0.3

C

0.125

D

0.07

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    PATHFINDER|Exercise QUESTION BANK|250 Videos
  • SOLUTION

    PATHFINDER|Exercise QUESTION BANK|28 Videos
  • SURFACE CHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|41 Videos

Similar Questions

Explore conceptually related problems

Define relative lowering of vapour pressure.

Relative lowering of vapour pressure is equal to __________in solution.

The relative lowering of vapour pressure of a dilute solution is equal to mole fraction of solute present in the solution. Which of the following low is state this ?

An aqueous solution of borax is-

In aqueous solution, glucose remains as-

Show that relative lowering of vapour pressure is a colligative property.

The relative lowering of vapour pressure is equal to the ratio between the number of

In aqueous solutions glucose remains as

The vapour pressure of an aqueous solution of sucrose at 373 K is found to be 750 mm Hg. The molality of the solution at the same temperature will be :

Why is the vapour pressure of an aqueous solution of glucose lower that that of water?

PATHFINDER-SOLUTIONS-QUESTION BANK
  1. The relative lowering of vapour pressure of a dilute solution is equal...

    Text Solution

    |

  2. The mass of a non-volatile solute of molar mass 40 g mol^(-1) that sho...

    Text Solution

    |

  3. The relative lowering of vapour pressure of an aqueous solution contai...

    Text Solution

    |

  4. Which of the following will represent the normality of 10% (w/V) aceti...

    Text Solution

    |

  5. Milk is an emulsion. Identify the dispersed phase and the emulsifier i...

    Text Solution

    |

  6. In which case van't Hoff factor are equal ?

    Text Solution

    |

  7. PA and PB are the vapour pressure of pure liquid components, A and B, ...

    Text Solution

    |

  8. Vapour pressure of chloroform (CHCl3) and dichloromethane (CH2Cl2) at ...

    Text Solution

    |

  9. A solution has higher osmotic pressure than its standard solution. Whi...

    Text Solution

    |

  10. The vapour pressure lowering caused by the addition of 100 g of sucros...

    Text Solution

    |

  11. Molarity of a given orthophosphoric acid solution is 3 M. Its normalit...

    Text Solution

    |

  12. 138 g of ethyl alcohol is mixed with 72 g of water. The ratio of mole ...

    Text Solution

    |

  13. In which case Raoult's low is not applicable ?

    Text Solution

    |

  14. The freezing point of one molal NaCl solution assuming NaCI to be 100%...

    Text Solution

    |

  15. The vapour pressure of water depends upon

    Text Solution

    |

  16. A vessel has nitrogen gas and water vapour in equilibrium with liquid ...

    Text Solution

    |

  17. For a dilute solution, Raoult's law states that :

    Text Solution

    |

  18. The mathematical expression of Raoult's law is: Where n is no. of mo...

    Text Solution

    |

  19. Total vapour pressure of mixture of 1 mol of volatile component A (PA^...

    Text Solution

    |

  20. Two liquids A and B have vapour pressure in the ratio PA^@:PB^@=2:3 at...

    Text Solution

    |