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Ionic Bonding

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A certain form of AgI adopts the zinc blend (ZnS & FCC) structure. The density of the salt is 5.69 g/cm3.
a) Calculate the length of a side of the unit cell
b) Calculate the distance between the Ag+ and the I- ions in the structure.

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Solution Summary

This solution is provided in 186 words. It uses density and molar mass equations to find length, as well as internuclear distance.

Solution Preview

AgI adopts an FCC structure.

We know that density is given by,
rho = Z*M/(a^3*N)...(1)

where, Z = No of atoms in unit cell
N is Avogadro's Number = 6.023*10^23
M is the Molar mass of the Crystal
a^3 is the volume of ...

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