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in Physics by (14.7k points)

An ornament weighing 36 g in air, weighs only 34 g in water. Assuming that some copper is mixed with gold to prepare the ornament, find the amount of copper in it. Specific gravity of gold is 19.3 and that of copper is 8.9.

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So, the amount of copper in the ornament is 2.2 g.

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