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MHT CET20226 Aug 2022Morning ShiftChemistrySolid StateActual

Calculate the density of metal which forms simple cubic structure with edge length of unit cell 336 pm . (90 gram of meal contains 2.64 10²³ atoms)

Options

  1. A8.98 ~g ~cm ⁻³
  2. B10.8 ~g ~cm ⁻³
  3. C7.3 ~g ~cm ⁻³
  4. D9.46 ~g ~cm ⁻³

Correct answer

A. 8.98 ~g ~cm ⁻³

Step-by-step solution

aligned d & = Z M V Na & = 1 90 (3.36 10⁻⁸ )^3 (2.64 10²³ ) & = 90 10 (3.36)^3 2.64 =8.98 ~g ~cm ⁻³ aligned

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