Interpretation: The value of
Concept Introduction: For any crystal lattice, the density and Avogadro’s number are related as follows:
Here,
Explanation of Solution
According to the X-ray diffraction studies of sodium chloride, the distance between sodium and chloride ions is
Therefore, the molar mass of sodium chloride up to 4 significant figures is 58.44 g/mol. The relation between the distance between sodium and chloride ions, the density of sodium chloride, the molar mass of sodium chloride, and Avogadro’s number is represented as follows:
Here,
Rearrange the above equation to calculate Avogadro’s number,
Substitute the values,
Therefore, the value of Avogadro’s number will be
Chapter 10 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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