Home
Class 11
CHEMISTRY
A mixture of O2 and gas ''y'' (mol. mass...

A mixture of `O_2` and gas ''y'' (mol. mass 80) in the mole ratio `a : b` has a mean molecular mass `40.` what would be molecular mass, if the gases are mixed in the ratio `b : a` under identical conditions ? (Assuming that gases are non-reacting) :

A

40

B

48

C

62

D

72

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • STOICHIOMETRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.61 To Q.90)|30 Videos

  • STOICHIOMETRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.91 To Q.120)|30 Videos

  • STOICHIOMETRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.1 To Q.30)|28 Videos

  • SOLID STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos

  • THERMODYNAMICS

    NARENDRA AWASTHI|Exercise Level 3 - Match The Column|2 Videos

Similar Questions

Explore conceptually related problems

If the ratio of molar masses of two gases A and B is 1 : 4. What is the ratio of the average speeds ?

The ratio of molecular mass of two radioactive substances is 3/2 and the ratio of their decay constant is 4/3 . Then find the ratio of their initial activity per mole

75ml of gas A effuses through a pin hole in 73 seconds. The same volume of SO_2 under identical conditions effuses in 75 seconds. Calculate the molecular mass of A.

Let A and B the two gases and given T_A/M_A=4 T_B/M_B where T is the temperature and M is molecular mass. If v_A and v_B are the r.m.s speed then the ration v_A/v_B will be equal to

Gases best follow the facts given below A) An ideal gas obeys the mathematical relation PV=nRT B) Rates of diffusion of two gases are in the reciprocal ratio of square roots of their molecular weight C) Total pressure of a mixture of non reacting gases is given by the algebric sum of their partial pressure What is the mass of water vapour in 1 m^3 of air with 0.4 relative humidity at 300K? (Aqueous tension at 300K = 3.6 K Pa)

A flask contains argon and chlorine in the ratio of 2:1 by mass. The temperature of the mixture is 27^(@)C . The ratio of average kinetic energies of two gases per molecule is

Gases best follow the facts given below A) An ideal gas obeys the mathematical relation PV=nRT B) Rates of diffusion of two gases are in the reciprocal ratio of square roots of their molecular weight C) Total pressure of a mixture of non reacting gases is given by the algebric sum of their partial pressure An ideal gas is captured in a glass tube of uniform arca of cross section by a water column at a given temperature as shown If the tube is held vertical, by what length the water column descends down? (Density of mercury=13.6gm/cc) (P_(atm)=76cm of Hg)

NARENDRA AWASTHI-STOICHIOMETRY-Level 1 (Q.31 To Q.60)
  1. Indium (atomic mass =114.82) has two naturally occurring isotopes, the...

    Text Solution

    |

  2. Calculate density of a gaseous mixture which consist of 3.01 xx 10^24 ...

    Text Solution

    |

  3. A mixture of O2 and gas ''y'' (mol. mass 80) in the mole ratio a : b ...

    Text Solution

    |

  4. If water sample are taken from sea, rivers or lake, they will be found...

    Text Solution

    |

  5. Hydrogen and oxygen combine to form H2 O2 and H2 O containing 5.93% an...

    Text Solution

    |

  6. Carbon and oxygen combine to form two oxides, carbon monoxide and carb...

    Text Solution

    |

  7. A sample of calcium carbonate (CaCO(3)) has the following percentage c...

    Text Solution

    |

  8. The law of multiple proportions is ilustrated by the two compounds

    Text Solution

    |

  9. All the substance listed below are fertilizers that contribute nitroge...

    Text Solution

    |

  10. One mole of element X has 0.444 times the mass of one mole ...

    Text Solution

    |

  11. A given sample of pure compound contains 9.81 g of Zn, 1.8xx10^(23) at...

    Text Solution

    |

  12. The formula of an acid is HXO2. The mass of 0.0242 g of the acid is 1....

    Text Solution

    |

  13. What is the empirical formula of vanadium oxide if 2.74g of the metal ...

    Text Solution

    |

  14. Determine the empirical formula of kevlar, used in making bullet proof...

    Text Solution

    |

  15. The hydrate salt Na2 CO3.xH2O undergoes 63%loss in mass on heating and...

    Text Solution

    |

  16. A 6.85g sample of the hydratedSr(OH)2.x H2O is dried in an oven to giv...

    Text Solution

    |

  17. What percentage of oxygen is present in the compound CACO3.3Ca3(PO4)2?

    Text Solution

    |

  18. Dieldrin, an insecticide, contains C,H,Cl and O. What is the empirical...

    Text Solution

    |

  19. A gaseous compound is composed of 85.7% by mass carbon and 14.3% by ma...

    Text Solution

    |

  20. Complete combustion of 0.858 g of compound X gives 2.63 g of CO(2) and...

    Text Solution

    |