A solid having density of kg forms face centred cubic crystals of edge length pm . What is the molar mass of the solid ?
[ Avogadro constant ]
Density of cubic unit cell -
- wherein
Where,
d = density of crystal
z = no. of effective constituent particles in one unit cell
M = molecular weight
a = edge length of unit cell
No = 6.022*1023
As we learned
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