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Gold has a face-centered cubic arrangement with a unit cell edge length of 4.08 Å ....

Gold has a face-centered cubic arrangement with a unit cell edge length of 4.08 Å . How many moles of gold fit in a gold nanoparticle sheet with a length of 64.9 nm , a width of 28.2 nm , and a thickness of 11.0 nm ? Express your answer with the appropriate units.

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