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physical science

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A 50.g bracelet is suspected pf being gold plated lead instead of pure gold. It was dropped into a full to the rim glass of water and 4cm to the third power overflowed. Is the the bracelet pure gold. Explain. (Density of gold=19 g/cm to the third power and lead=11 g/cm to the third power)

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    The volume of the bracelet is the amount that overflowed: 4.0 cm^3.
    The density of the bracelet is 50/4 = 12.5 g/cm^3. What can you conclude from that?

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