State a cube of metal which looks like gold

Reference no: EM13158010

A cube of metal which looks like gold (Au, 19.32 g/cm3) is suspected by a modern Archimedes of being either iron (Fe, 7.90 g/cm3) coated with gold or aluminum (Al, 2.72 g/cm3) coated with gold. In air the metal cube is found to have a mass of 34.50 g. When totally immersed in a solvent of ethanol ( density = 0.789 g/mL), the apparent mass of the metal cube is 24.49 g. (Recall Archimedes principle) All answers must be in correct # of significant figures.

Reference no: EM13158010

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