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Problem: Iridium (Ir) has a face-centered cubic unit cell with an edge length of 383.3 pm. Calculate the density of solid iridium.

FREE Expert Solution

Recall that a Face-Centered Cubic (FCC) unit cell has 4 atoms per unit cell.

Formula for density:


Given:

Edge length (a) = 383.3 pm

Molar mass of Iridium (Ir) = 192.2 g/mol (refer to the periodic table)

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Problem Details

Iridium (Ir) has a face-centered cubic unit cell with an edge length of 383.3 pm. Calculate the density of solid iridium.

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.