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By X-ray diffraction method, the unit ce...

By X-ray diffraction method, the unit cell edge length of sodium chloride is found to be 562.6 pm. The density of NaCl is observed to be `2.158 g cm^(-3)`.
(i) Predict the type of defect present in the crystal.
(ii) Calculate the percentage of `Na^(+)` and `Cl^(-)` ions missing.

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The correct Answer is:
0.8
Properties of ionic solid
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