Copper crystal has a face centred cubic lattice structure. its density is 8.93g/cm^-3. what is the edge length of the unit cell ? atomic mass of copper m =63.5gmol^-1
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Answer:
Explanation:
D = Z * M/ a3 * Na
a3 = Z * M/ D * Na
= 4 * 63.5/8.93 *6.022*10^23
= 4.72 *10^-23
= ∛ 47.2 * 10^-24
= 3.8 * 10^-8 cm
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