How many unit cells are present in a cube - shaped ideal crystal of NaCl of mass 1.00 g ? [ atomic masses : Na =23,Cl-=35.5]

Options

A. `2.57 xx 10^(21)` unit cells
B. `5.14 xx 10^(21)` unit cells
C. `1.28 xx 10^(21)` unit cells
D. `1.71 xx 10^(21)` unit cells

Answer

A

Explanation

Properties of ionic solid