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###### Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be...

Gold, which has a density of 19.32 g/cm^{3}, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. **(a)** If a sample of gold with a mass of 6.263 g, is pressed into a leaf of 8.311 μm thickness, what is the area of the leaf? **(b)** If, instead, the gold is drawn out into a cylindrical fiber of radius 2.800 μm, what is the length of the fiber?

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