Calculate the percentage of gold in the jewelry

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Part A: A piece of gold jewelry weighs 11.54g and has a volume of 0.675 cm3. The jewelry contains only gold (density = 19.3 g/cm3) and silver (density = 10.5 g/cm3). Assuming that the total volume of the jewelry is the sum of the volumes of the gold and silver that it contains, calculate the percentage of gold in the jewelry.

Part B: The relative amount of gold in an alloy is commonly expressed in units of carats. Pure gold is 24-carat and the percentage of gold in an alloy is given as a percentage of this value. For example, an alloy that is 50% gold is 12-carat. What is the purity of the jewelry described in Part A in carats?

Reference no: EM132800191

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