The pycnometric density of sodium chloride crystal is 2.165 × 103 kg m-3 while its X-rays density are 2.178 × 103 kg m-3. The fraction of unoccupied sites in sodium chloride crystal is

Difference =2.178×103−2.165×103=0.013×103 Fraction unoccupied =0.013×1032.178×103=5.96×10−3

The pycnometric density of sodium chloride crystal is 2.165 × 103 kg m-3 while its X-rays density are 2.178 × 103 kg m-3. The fraction of unoccupied sites in sodium chloride crystal is

Difference =2.178×103−2.165×103=0.013×103 Fraction unoccupied =0.013×1032.178×103=5.96×10−3

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The pycnometric density of sodium chloride crystal is 2.165 × 10³ kg m^-3 while its X-rays density are 2.178 × 10³ kg m^-3. The fraction of unoccupied sites in sodium chloride crystal is

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$5.96 \times 10^{- 1}$

5.96

5.96 × 10^-2

5.96 × 10^-3

answer is D.

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Detailed Solution

$Difference = 2.178 \times 10^{3} - 2.165 \times 10^{3} = 0.013 \times 10^{3}$

$Fraction unoccupied = \frac{0.013 \times 10^{3}}{2.178 \times 10^{3}} = 5.96 \times 10^{- 3}$

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The pycnometric density of sodium chloride crystal is 2.165 × 103 kg m-3 while its X-rays density are 2.178 × 103 kg m-3. The fraction of unoccupied sites in sodium chloride crystal is

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The pycnometric density of sodium chloride crystal is 2.165 × 10³ kg m^-3 while its X-rays density are 2.178 × 10³ kg m^-3. The fraction of unoccupied sites in sodium chloride crystal is