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MHT CET20225 Aug 2022Evening ShiftChemistrySolid StateActual

Calculate the density of metal with molar mass 56 ~g ~mol ⁻¹ that crystallises to force bcc structure with edge length 288 pm .

Options

  1. A9.8 ~g ~cm ⁻³
  2. B5.8 ~g ~cm ⁻³
  3. C8.7 ~g ~cm ⁻³
  4. D7.8 ~g ~cm ⁻³

Correct answer

D. 7.8 ~g ~cm ⁻³

Step-by-step solution

aligned & d = Z M V N _ A & d= 2 56 (2.88 10⁻⁸ )^3 6.02 10²³ & =7.78 ~g / cm ^3 & aligned

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