A gold bracelet is made of a gold and cooper alloy. the bracelet has a mass of .900kg. to determine the amount of gold in the alloy, you weight the bracelet when immersed in water. its weight is then .820kg. what is the percentage of gold in the alloy? the density of gold is 19300 kg/m³, and the the density of the copper is 8960 kh/m³
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so sorry the Q is not appropriate
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