Home
Class 11
CHEMISTRY
A gas mixture contains 50% helium and 50...

A gas mixture contains `50%` helium and `50%` methane by volume. What is the percent by weight of methane in the mixture.

A

`80.0%`

B

`20.05%`

C

`50%`

D

`75%`

Text Solution

Verified by Experts

The correct Answer is:
A
Solution contain `He+CH_(4)`
Their `mol. Wt.=4+16=20`
`% wt.` of `CH_(4)=(wt. of CH_(4))/("Total wt". )xx100=(16)/(20)xx10=80%`
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICTION, PURIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS

    A2Z|Exercise Assertion-Reasoning Questions|5 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • ENVIRONMENTAL CHEMISTRY

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

A 4 : 1 mixture of helium and methane contained in a vessel at 10 bar pressure. During a hole in the vessel, the gas mixture leaks out. The composition of the mixture effusing out initially is

If the side of a square be increased by 50% What is the percent increase in area?

If the radius of cylinder is doubled, but height is reduced by 50% . What is the percentage change in volume ?

A2Z-CLASSIFICTION, PURIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS-Section D - Chapter End Test
  1. 116 mg of a compound on vaporisation in a Victor - Meyer's apparatus d...

    Text Solution

    |

  2. According to IUPAC convention, the correct name of the following compo...

    Text Solution

    |

  3. A gas mixture contains 50% helium and 50% methane by volume. What is t...

    Text Solution

    |

  4. What is the correct IUPAC name of the following compound ?

    Text Solution

    |

  5. 0.5g of hydrocarbone gave 0.9 g water on combustion . The percentage ...

    Text Solution

    |

  6. What is the correct IUPAC name of the compound shown below?

    Text Solution

    |

  7. Lassaigne's test for the detection of nitrogen will fail in case of :

    Text Solution

    |

  8. The correct IUPAC name of the compound shown below

    Text Solution

    |

  9. Camphor is often used in molecular mass determination because

    Text Solution

    |

  10. In Kjeldahl's method, nitrogen present is estimated as :

    Text Solution

    |

  11. How many H- atoms are present in 0.046 g of ethanol ?

    Text Solution

    |

  12. In the compound CH(2)=CH-CH(2)-CH(2)-C-=CH the C(2)-C(3) bond is of

    Text Solution

    |

  13. A hydrocarbon contains 10.5 gm carbon and 1 gm hydrogen. Its 2.4 gm ha...

    Text Solution

    |

  14. The IUPAC name of CH(3)-underset(OH)underset(|)(CH)-CH(2)-CH(2)-CH(2...

    Text Solution

    |

  15. IUPAC name of the compound

    Text Solution

    |

  16. Common name of ethyl isocynide is

    Text Solution

    |

  17. What is the correct IUPAC name of

    Text Solution

    |

  18. The IUPAC name of the compound is

    Text Solution

    |

  19. Name of the compound given below is

    Text Solution

    |

  20. The compound is known by which of the following names

    Text Solution

    |