Home
Class 12
CHEMISTRY
Calculate the mass of a non-volatilesolu...

Calculate the mass of a non-volatilesolute' (molar. mass 40 g mol '^-1' ) which should be dis: "solved in 114 g octane to reduce its vapour pressure to '80 %' "

Promotional Banner

Topper's Solved these Questions

  • POLYMERS

    V PUBLICATION|Exercise QUESTION BANK|113 Videos

  • SURFACE CHEMISTRY

    V PUBLICATION|Exercise QUESTION BANK|126 Videos

Similar Questions

Explore conceptually related problems

What mass of solute ("molar mass=60 g mol"^(-1)) should be dissolved in 180 g water to reduce the vapour pressure to 4/5 th of pure water :

Calculate the relative lowering in V.P. if 10 g of a solute (molar mass 100) are dissolved in 180g water.

The volume of H_2 evolved at STP when 0.9 g of Al(molar mass : 27 g mol^(-1) ) is dissolved in excess of dilute H_(2)SO_(4) is

The amount of solute (mol. Mass=60) that must be added to 180 g of water so that the vapour pressure of water is lowered by 10% is

The molar mass of an organic compound is 58 g/mol. 24 g of this is dissolved in 600 g water, calculate its boiling point when vapour pressure of water becomes 760 mm. K_b" of "H_2O" is 0.513 K kg mol"^(-1) .

Calculate the molarity of a solution containing 2.8g of KOH per litre (molar mass of KOH = 56).

V PUBLICATION-SOLUTIONS-QUESTION BANK
  1. Heptane and octane form an ideal solution. At '373 ~K,' the vapour pre...

    Text Solution

    |

  2. The vapour pressure of water is 12.3.kRa at 300.calculate the vapour p...

    Text Solution

    |

  3. Calculate the mass of a non-volatilesolute' (molar. mass 40 g mol '^-1...

    Text Solution

    |

  4. A solution containing '30 g' of.non-volatile solute exactly in '90, g'...

    Text Solution

    |

  5. 5 %' solution (by mass) of cane sugar in water has freezing point of '...

    Text Solution

    |

  6. Two elements 'A' and 'B' form compounds having formula 'AB2' and 'AB4'...

    Text Solution

    |

  7. At '300 K, 36 g' of glucose present in a litre of its solution has an ...

    Text Solution

    |

  8. Suggest the most important type of intermolecular attractive interacti...

    Text Solution

    |

  9. Based on solute-solvent interactions, arrange the following in order o...

    Text Solution

    |

  10. Amongst the following compounds, identify which are. insaluble, partia...

    Text Solution

    |

  11. If the density of some lake water is '1.25 g m ^-(-1) and contains '92...

    Text Solution

    |

  12. If the solubility product of 'CuS' is '6 xx 10^-16' calculate the maxi...

    Text Solution

    |

  13. Calculate the mass percentage of aspirin '(C9 H8 O2)' in acetonitrile ...

    Text Solution

    |

  14. .Nalorphene '(C14 H2 NO3),' similar to morphine, is used to combat wit...

    Text Solution

    |

  15. Calculate ofhe amount of benzoic acid '(C6H5 COOH)' required for prepa...

    Text Solution

    |

  16. The depression in freezing point of water observed for the same amount...

    Text Solution

    |

  17. Calculate the depression in the freezing point of water when '10 g' of...

    Text Solution

    |

  18. 19.5 g' of 'CH2 FCOOH' is dissolved in '500 g' of water. The depressio...

    Text Solution

    |

  19. . Vapour pressure of water'at '293 K' is 17.535 'mm Hg .' Calculate th...

    Text Solution

    |

  20. Henry's law constant for the molality of methane in benzene at '298 K'...

    Text Solution

    |