Gold, which has a density of 19.32 g/cm³, 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 7.544 g, is pressed into a leaf of 7.067 μm thickness, what is the area of the leaf? 

(b) If, instead, the gold is drawn out into a cylindrical fiber of radius 2.200 μm, what is the length of the fiber?

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A Density Mass vel of qold leaf Mass oensity 2544 1... View the full answer