Question

- NaCl has FCC structure. Its density is 2.163x10° kg mº. Calculate the edge length of the unit cell cube.
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Answer 1

Answers oka

Explanation:

Answer 2

answer : hmm i think the answer is

for fcc crystal:

a³= zM÷

d.N

a

z= 4 for a fcc structures

a³= 4×58.45×10-³÷2.163×10³×6.023×10²³

a³= 179.5×10-³⁰ m³

a= 5.64×10-¹⁰ m or 564 pm.

my dear friend if my answer is wrong i am really sorry