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Please help me with the question below with explanation Red gold is a goldcopper alloy used to make jewelry. A piece of jewelry made of

Please help me with the question below with explanation

Red gold is a goldcopper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.62 g and has a volume of 0.563 cm3. Gold has a density of 19.3 g/cm3 and copper has a density of 8.96 g/cm3. Calculate the percentage by mass of each metal in the jewelry. Assume the total volume of the jewelry is the sum of the volumes of the two metals it contains.

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