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Rupesh Kumar Zacharia
Asked: 2022-11-09T19:02:58+05:30 In:

How many unit cells are present in a cube-shaped crystal of NaCl of mass 1.00g?
A. `2.57xx10^(21)` unit cells
B. `5.14xx10^(21)` unit cells
C. `1.28xx10^(21)` unit cells
D. `1.71xx10^(21)` unit cells

How many unit cells are present in a cube-shaped crystal of NaCl of mass 1.00g?
A. `2.57xx10^(21)` unit cells
B. `5.14xx10^(21)` unit cells
C. `1.28xx10^(21)` unit cells
D. `1.71xx10^(21)` unit cells
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1 Answer

  1. Correct Answer – 1
    `58.5grArr”N”` formula units
    `1grarr(N)/(58.5)` formula units
    (b) 4 formula units `rarr` 1 unit cell
    `(N)/(58.5)rarr(N)/(58.xx4)1″unit cell”=(6xx10^(23))/(234)`

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