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
- A9.8 ~g ~cm ⁻³
- B5.8 ~g ~cm ⁻³
- C8.7 ~g ~cm ⁻³
- 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