Concept explainers
(a)
The lattice constant of the sodium chloride
(a)
Answer to Problem 80SEP
The lattice constant of the sodium chloride
Explanation of Solution
Write the expression to calculate lattice constant of sodium chloride
Here, ionic radius of
Conclusion:
Substitute
Thus, the lattice constant of the sodium chloride
(b)
The density of sodium chloride
(b)
Answer to Problem 80SEP
The density of sodium chloride
Explanation of Solution
Write the expression to calculate mass of unit cell of sodium chloride
Here, number of atoms and molar mass of
Write the expression to calculate density of sodium chloride in grams per cubic centimeter
Here, volume of unit cell is
Conclusion:
The sodium chloride unit cell contains four
Substitute
Substitute
Thus, the density of sodium chloride
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Chapter 3 Solutions
Foundations of Materials Science and Engineering
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