The Pyknometric Density Of Sodium Chloride Crystal Is 2.165 × 103 kg M-3, While Its X – Rays Density Is 2.178 × 103kg M-3 The Fraction Of Unoccupied Sites In Sodium Chloride Crystal Is

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Question

 

The pyknometric density of sodium chloride crystal is

2.165 × 103 kg m-3, while its X – rays density is 2.178 × 103kg m-3

The fraction of unoccupied sites in sodium chloride crystal is

Solution

Correct option is

5.96 × 10-3

 

Difference = 2.178 × 103 – 2.165 × 103 = 0.013 × 103

 

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