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Aluminum, Al, crystallizes in a face centered cubic unit cell. The density of the metal is 2.7g/cm3. A scientist believes that the radius of one

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Aluminum, Al, crystallizes in a face centered cubic unit cell. The density of the metal is 2.7g/cm3. A scientist believes that the radius of one Pt atom is 1.69108cm. He uses this number to calculate Avogadro's number. What number does he get? (Hint: It is not 6.0221023 )

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