1. Tardigrade
  2. Question
  3. Chemistry
  4. An element X (atomic weight =80 g / mol ) having fcc structure, calculate the number of unit cells in 8 g of X :

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. An element $X$ (atomic weight $=80\, g\, / mol$ ) having fcc structure, calculate the number of unit cells in $8\, g$ of $X$ :

The Solid State

Solution:

Effective number of atom in a unit cell $=4$

Number of atom $=\frac{8}{80} \times N_{ A }$

$\therefore $ Number of unit cell $=\frac{N_{ A }}{10} \times \frac{1}{4}=\frac{N_{ A }}{40}.$