Question: Use data from Example 12-9, together with the molar mass of Fe and the Avogadro constant, to calculate the density of iron. Example 12-9 At

Use data from Example 12-9, together with the molar mass of Fe and the Avogadro constant, to calculate the density of iron.

Example 12-9

At room temperature, iron crystallizes in a bcc structure. By X-ray diffraction, the edge of the cubic cell corresponding to Figure 12-45 is found to be 287 pm. What is the radius of an iron atom?

Figure 12-45

13 1 = 287 pm W21 YB 1 = 287 pm IN2

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