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MHT CET20227 Aug 2022Evening ShiftChemistrySolid StateActual

Calculate the volume of unit cell of element with density 7.2 ~g ~cm ⁻³ that forms bcc structure. (288 gram of this element 3.35 10²⁴ atoms)

Options

  1. A3.038 10²³ ~cm ^3
  2. B4.18 10²³ ~cm ^3
  3. C6.136 10²³ ~cm ^3
  4. D3.912 10²³ ~cm ^3

Correct answer

B. 4.18 10²³ ~cm ^3

Step-by-step solution

d = Z V M N _ A 7.2= 2 V 288 3.35 10²⁴ V =4.18 10²² ~cm ^3

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