Aluminum has a density of 2.7 103 kg/m3 and a molar mass of 27 g/mol. The
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Aluminum has a density of 2.7 × 103 kg/m3 and a molar mass of 27 g/mol. The Hall coefficient of aluminum is R = –0.3 × 10–10 m3/C. (See Problem 70 for the definition of R.) Find the number of conduction electrons per aluminum atom.
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