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A metallic element exists in cubic latti...

A metallic element exists in cubic lattice. Each edge of unit cell is 4 Å. The density of metal is `6.25 g//m^(3)`. How many unit cells will be present in 100 g of metal?

A

`1 xx 10^(22)`

B

`2.5 xx 10^(29)`

C

`5 xx 10^(23)`

D

`2 xx 10^(23)`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • A metallic element has a cubic lattice. Each edge of the unit cell is 2.88 Å. The density of the metals is 7.20 g cm . How many unit cells will be there in 100 g of the metal?

    A
    `5.82xx10^(23)`
    B
    5.82
    C
    `1.89xx10^(23)`
    D
    1.89

  • A metallic element exists as simple cubic lattice. Each edge of the unit cell is 3Å . The density of the metal is 9 "g cm"^(-3) . How many number of unit cells will be present in 100 g of the metal : -

    A
    `6.85 xx10^(2)`
    B
    `4.12 xx10^(23)`
    C
    `4.37 xx10^5`
    D
    `2.12 xx10^6`

  • A metallic element exists as simple cubic lattice. Each edge of the unit cell is 3Å. The density of the metal is 9 "g cm"^(–3) . How many number of unit cells will be present in 100 g of the metal :-

    A
    6.85 × 102
    B
    4.12 × 1023
    C
    4.37 × 105
    D
    2.12 × 106

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