Home
Class 12
CHEMISTRY
An element X ( molar mass = 80 g / mol )...

An element X ( molar mass = 80 g / mol ) having fcc structure , calculate number of unit cells in 8 g of X.

A

`0.4 * N_A`

B

`0.1 * N_A`

C

`4 * N_A`

D

`0.025 * N_A`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 14

    AAKASH INSTITUTE|Exercise Exercise|25 Videos

  • MOCK TEST 16

    AAKASH INSTITUTE|Exercise Example|22 Videos

Similar Questions

Explore conceptually related problems

An element X (At,wt = 80 g//mol) having fcc structure, calculate the number of unit cells in 8g of X

An element 'x' (Atomic mass = 40 g mol^(-1) ) having f.c.c. structure has unit cell edge length of 400 pm. Calculate the density of 'x' and the number of unit cells in 4 g of 'x'

An element 'X' (At. Mass = 40 g mol^(-1) ) having f.c.c structure has unit cell edge length of 400 pm . Calculate the density of 'X' and the number of unit cells in 4 g of 'X' . (N_(A) = 6.022 xx 10^(23) mol^(-1)) .

An element (atomic mass = 100 g//mol ) having bcc structure has unit cell edge 400 pm .Then density of the element is

An element (At. Mass =50 g/mol) having fcc structure has unit cell edge length 400 pm. The density of element is

AAKASH INSTITUTE-MOCK TEST 15-Example
  1. The number of nearest neighbours of each sphere in hexagonal closed pa...

    Text Solution

    |

  2. In an arrangement of type ABABA .... identical atoms of first layer ( ...

    Text Solution

    |

  3. Given an alloy of Cu, Ag and Au in which Cu atoms constitute the ccp a...

    Text Solution

    |

  4. Which of the following statement is false ?

    Text Solution

    |

  5. In fcc , a tetrahedral void is formed by atoms at

    Text Solution

    |

  6. The relation between atomic radius ( r ) and edge length ( a ) a face ...

    Text Solution

    |

  7. The fraction of the total volume occupied by atoms in a simple cube is

    Text Solution

    |

  8. In a close packed structure of mixed oxides , the lattice is composed ...

    Text Solution

    |

  9. An ionic solid AB crystallizes as a bcc structure . The distance betwe...

    Text Solution

    |

  10. In a metal M having bcc arrangement edge length of the unit cell is 40...

    Text Solution

    |

  11. A compound XY crystallizes in BCC lattice with unit cell - edge length...

    Text Solution

    |

  12. What are the number of atoms per unit cell and the number of nearest n...

    Text Solution

    |

  13. An element crystallizes in a fcc lattice and the edge length of the un...

    Text Solution

    |

  14. An element X ( molar mass = 80 g / mol ) having fcc structure , calcul...

    Text Solution

    |

  15. Molybdenum ( molar mass 96 g crystallizes as bcc crystal . If density...

    Text Solution

    |

  16. The coordination number of a metal crystallising a hcp structure is

    Text Solution

    |

  17. The unit cell present in ABCABC closed packing of atoms is

    Text Solution

    |

  18. The atomic radius of strontium ( Sr ) is 215 pm and it crystallizes in...

    Text Solution

    |

  19. If the density of crystalline CsCI is 3.988 g cm^-3 , calculate the vo...

    Text Solution

    |

  20. A binary solid ( AB ) has a rock salt structure . If the edge length i...

    Text Solution

    |