Home
Class 11
CHEMISTRY
A sample of impure air contains 80% N(...

A sample of impure air contains 80% `N_(2)`, 10% `O_(2)` 5% `CO_(2)` and 5% Ar by volume. The average (At wt. of Ar = 40)

A

29.4

B

29.8

C

30

D

29.6

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS

    GRB PUBLICATION|Exercise Stoichiometry|88 Videos

  • MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS

    GRB PUBLICATION|Exercise Percentage yield and percentage purity|18 Videos

  • MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS

    GRB PUBLICATION|Exercise Subjective type|145 Videos

  • ISOMERISM

    GRB PUBLICATION|Exercise SUBJECTIVE TYPE|67 Videos

  • NOMENCLATURE AND CLASSIFICATION

    GRB PUBLICATION|Exercise Subjective Type|24 Videos

Similar Questions

Explore conceptually related problems

A sample of impure air contains 80% N_(2) . 10% 5% CO_(2) and 5% Ar by volume. The average molecular weight of the sample is : [Ar=40]

A gaseous mixture contains 40% O_(2), 40% N_(2), 10% CO_(2), 10% CH_(4) by volume. Calculate the vapour density of the gaseous mixture.

Atmospheric air has 78 % N_(2) , 21 % O_(2) , 0.9 % Ar and 0.1 % CO_(2) by volume. What is the molecular mass of air in the atmosphere ?

The air contain 80% N_(2) and 20% O_(2) by volume. The volume occupied by 40 gm air at 27^(@)C and 760 mm Hg pressure approximately. [Given: R=0.08atm-litre- "mol"^(-1)K^(-1) ]

Average molecular weight of a gaeous mixture which contains 80% by mole N_(2) & rest O_(2) gas is-

A single discount equivalent to a discount seres of 5%, 10% , 15% and 20%, is :

What volume of air (in m^(3) ) is needed for the combustion of 1m^(3) of a gas having the following composition in percentage volume : 2% of C_(2)H_(2), 8% of CO, 35% of CH_(4), 50% of H_(2) and 5% of non-combustible gas. The air contains 20.8% (by volume) of oxygen.

A mixture of 95% oxygen and 5% CO_(2) is called

GRB PUBLICATION-MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS-Density
  1. Which of the following options represent correct composition of a gase...

    Text Solution

    |

  2. The density of water at 4^(@)C is 1.0 xx 10^(3)kg m^(-3). The volume o...

    Text Solution

    |

  3. A sample of impure air contains 80% N(2), 10% O(2) 5% CO(2) and 5% A...

    Text Solution

    |

  4. One mole of a mixture of N(2),NO(2) and N(2)O(4), has a mean molar mas...

    Text Solution

    |

  5. Find vapour density of mixture having 64% by mass of CH(4), 32% by mas...

    Text Solution

    |

  6. The percentage by mole of NO(2)(g) and NO(g) having average molecular ...

    Text Solution

    |

  7. 113.5 mL of NO(2) at STP was liquefied, the density of the liquid bein...

    Text Solution

    |

  8. Given that the abundacne of isotopes .^(54)Fe, .^(56)Fe, and .^(57)Fe ...

    Text Solution

    |

  9. The density of liquid (mol.wt. = 70) is 1.2 g mL^(-1). If 2 mL of liqu...

    Text Solution

    |

  10. The density of a pure liquid (molecular mass = 80) is 1.5gm//ml. If 4 ...

    Text Solution

    |

  11. The density of nitrogen gas is maximum at:

    Text Solution

    |

  12. A gas has a density of 1.25gL^(-1) at 1 atm and 273 K. Identify it:

    Text Solution

    |

  13. 11.35L of a gas at STP weighs 14g. The gas could be :

    Text Solution

    |

  14. What is the molar mass of a gas that has a density of 5.66g L^(-1) at ...

    Text Solution

    |

  15. If molecular weight of glucose-1-phosphate is 260 and its density is 1...

    Text Solution

    |

  16. A mixture weight of glucose-1-phosphate is 260 and its density is 1.5g...

    Text Solution

    |

  17. A container of gas X (mol.wt. 16) and gas Y (mol. Wt. 28) in the mole ...

    Text Solution

    |

  18. The relative density of a mixture of CO(2)(g) and H(2)O(g) w.r.t. gase...

    Text Solution

    |

  19. Vapour density of a metal chloride is 6.6. Its oxide contains 53% meta...

    Text Solution

    |

  20. Calculate percentage change in M(avg) of the mixture, if PCl(5) underg...

    Text Solution

    |